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As much as they drive us nuts, we can't imagine our lives without them. Happy Siblings Day! When it comes to both romantic or brotherly love, celebrities often stick together. Because of that, a lot of the time we see our beloved singer or actor hanging out with other famous people. However, no one's closer than family, and they know it as well. Bored Panda has collected a list of famous celebrities' siblings who tend to keep away from their big brothers and little sisters' spotlight, celebrating the joyous occasion.

For example, did you know that Mary-Kate and Ashley Olsen have a sister named Elizabeth? Or that Brad Pitt has a little brother, Doug? Unlike their closest relatives, you probably wouldn't even recognize them if you passed them on the street. Continue scrolling to check out the images of celebrities and their sibling and upvote the most surprising ones!

#1

Penelope Cruz With Her Sister Monica

Penelope Cruz With Her Sister Monica

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    #2

    Emma Watson With Her Brother Alex

    Emma Watson With Her Brother Alex

    Stephen Lovekin Report

    #3

    Chris Hemsworth With His Brothers Liam And Luke

    Chris Hemsworth With His Brothers Liam And Luke

    Barry King Report

    #4

    Elijah Wood With His Younger Sister Hannah

    Elijah Wood With His Younger Sister Hannah

    Todd Oren Report

    #5

    Maissie Williams With Her Brother

    Maissie Williams With Her Brother

    maisie_williams Report

    #6

    Nicole Kidman With Her Sister Antonia

    Nicole Kidman With Her Sister Antonia

    Getty Images Report

    #7

    Eddie Redmayne With His Younger Brother Tom

    Eddie Redmayne With His Younger Brother Tom

    Dave M. Benett Report

    #8

    Brad Pitt With His Brother Doug

    Brad Pitt With His Brother Doug

    Alex Berliner Report

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    #9

    Lady Gaga (Stefani Joanne Angelina Germanotta) With Her Sister Natali Germanotta

    Lady Gaga (Stefani Joanne Angelina Germanotta) With Her Sister Natali Germanotta

    ladygaga Report

    #10

    Lupita Nyong'o With Her Brother Peter

    Lupita Nyong'o With Her Brother Peter

    Jeff Kravitz Report

    #11

    Scarlett Johansson With Her Twin Brother Hunter

    Scarlett Johansson With Her Twin Brother Hunter

    Carmen Valdes Report

    #12

    Ashton Kutcher With His Twin Brother Michael

    Ashton Kutcher With His Twin Brother Michael

    Adam Bettcher Report

    #13

    Zooey Deschanel With Her Sister Emily

    Zooey Deschanel With Her Sister Emily

    Charley Gallay Report

    #14

    Zack Efron With His Brother Dylan

    Zack Efron With His Brother Dylan

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    #15

    Daisy Ridley With Her Sisters Kika And Poppy

    Daisy Ridley With Her Sisters Kika And Poppy

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    #16

    Angelina Jolie With Her Brother James Haven

    Angelina Jolie With Her Brother James Haven

    Kevin Winter Report

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    #17

    Jesse And Hallie Eisenberg

    Jesse And Hallie Eisenberg

    Kevin Mazur Report

    #18

    Jake Gyllenhaal With His Sister Maggie

    Jake Gyllenhaal With His Sister Maggie

    George Pimentel Report

    #19

    Jessica Alba With Her Brother Joshua

    Jessica Alba With Her Brother Joshua

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    #20

    Rami Malek And His Twin Brother Sami

    Rami Malek And His Twin Brother Sami

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    #21

    Dakota Fanning With Her Sister Elle Fanning

    Dakota Fanning With Her Sister Elle Fanning

    Charles Eshelman Report

    #22

    Brothers Ralph And Joseph Fiennes

    Brothers Ralph And Joseph Fiennes

    Claire Greenway Report

    #23

    Cameron Diaz With Her Sister Chimene

    Cameron Diaz With Her Sister Chimene

    Ron Galella Report

    #24

    Chloe Grace Moretz With Her Brother Trevor Duke-Moretz

    Chloe Grace Moretz With Her Brother Trevor Duke-Moretz

    Christopher Polk Report

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    #25

    John Cusack With His Sister Joan

    John Cusack With His Sister Joan

    Jason LaVeris Report

    #26

    Mary-Kate And Ashley Olsen With Their Younger Sister Elizabeth

    Mary-Kate And Ashley Olsen With Their Younger Sister Elizabeth

    Donato Sardella Report

    #27

    The Four Baldwin Brothers

    The Four Baldwin Brothers

    Lindsay Brice Report

    #28

    Jared Leto With His Brother Shannon

    Jared Leto With His Brother Shannon

    jaredleto Report

    #29

    Jude Law With His Sister Natasha

    Jude Law With His Sister Natasha

    Rebecca Reid Report

    #30

    James Franco With His Brother Dave

    James Franco With His Brother Dave

    George Pimentel Report

    #31

    Shailene Woodley With Her Brother Tanner Woodley

    Shailene Woodley With Her Brother Tanner Woodley

    starsandheights Report

    #32

    Tom Hiddleston With His Younger Sister Emma

    Tom Hiddleston With His Younger Sister Emma

    Dave M. Benett Report

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    #33

    Taylor Swift With Her Brother Austin

    Taylor Swift With Her Brother Austin

    Christopher Polk Report

    #34

    Oliver Hudson With His Sister Kate Hudson

    Oliver Hudson With His Sister Kate Hudson

    Kevin Winter Report

    #35

    Blake Lively With Her Brother Eric

    Blake Lively With Her Brother Eric

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    #36

    Demi Lovato With Her Younger Sister Madison De La Garza

    Demi Lovato With Her Younger Sister Madison De La Garza

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    #37

    Lana Del Rey With Her Sister Chuck

    Lana Del Rey With Her Sister Chuck

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    #38

    Rihanna With Her Brother Rajad Fenty

    Rihanna With Her Brother Rajad Fenty

    rjfenty96 Report

    #39

    Beyonce With Her Sister Solange

    Beyonce With Her Sister Solange

    Frank Micelotta Report

    #40

    Ariana Grande With Her Brother Frankie

    Ariana Grande With Her Brother Frankie

    Bruce Glikas Report

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    #41

    Chris Evans With His Brother Scott And Sister Carly

    Chris Evans With His Brother Scott And Sister Carly

    scottevansgram Report

    #42

    Sofia Vergara With Her Sister Sandra

    Sofia Vergara With Her Sister Sandra

    SGranitz Report

    #43

    Luke Wilson With His Brother Owen Wilson

    Luke Wilson With His Brother Owen Wilson

    Jeff Vespa Report

    #44

    Lily Allen With Her Brother Alfie

    Lily Allen With Her Brother Alfie

    Jon Furniss Report

    #45

    Victoria Beckham With Her Sister Louise Adams

    Victoria Beckham With Her Sister Louise Adams

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    #46

    Miley Cyrus With Her Sister Noah

    Miley Cyrus With Her Sister Noah

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    #47

    Kate Mara With Her Sister Rooney

    Kate Mara With Her Sister Rooney

    Kevork Djansezian Report

    #48

    Britney Spears With Her Sister Jamie Lynn

    Britney Spears With Her Sister Jamie Lynn

    Image Group LA Report

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    #49

    Vanessa Hudgens With Her Sister Stella

    Vanessa Hudgens With Her Sister Stella

    vanessahudgens Report

    #50

    Rashida Jones With Her Sister Kidada

    Rashida Jones With Her Sister Kidada

    Chris Weeks Report

    #51

    Shawn And Aaron Ashmore

    Shawn And Aaron Ashmore

    Gilbert Carrasquillo Report

    #52

    Millie Bobby Brown With Her Brother Charlie

    Millie Bobby Brown With Her Brother Charlie

    milliebobbybrown Report

    #53

    Nina And Alexander Dobrev

    Nina And Alexander Dobrev

    nina Report

    #54

    Jennifer Lopez With Her Sister Lynda

    Jennifer Lopez With Her Sister Lynda

    hauteliving Report

    #55

    Hilary Duff With Her Sister Haylie

    Hilary Duff With Her Sister Haylie

    Noel Vasquez Report

    #56

    Charlie Sheen With His Brother Emilio Estevez

    Charlie Sheen With His Brother Emilio Estevez

    Joe Thomas Report

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    #57

    Kate Moss With Her Sister Lottie

    Kate Moss With Her Sister Lottie

    David M. Benett Report

    #58

    Kirsten Dunst With Her Brother Christian

    Kirsten Dunst With Her Brother Christian

    Frazer Harrison Report

    #59

    Gwyneth Paltrow With Her Little Brother Jake

    Gwyneth Paltrow With Her Little Brother Jake

    George Pimentel Report

    #60

    Warren And Ansel Elgort

    Warren And Ansel Elgort

    warrenelgort Report

    #61

    Rachel McAdams With Her Sister Kayleen

    Rachel McAdams With Her Sister Kayleen

    Charley Gallay Report

    #62

    Rosie Huntington-Whiteley With Her Brother Toby

    Rosie Huntington-Whiteley With Her Brother Toby

    Report

    #63

    Rachel McAdams With Her Brother Daniel

    Rachel McAdams With Her Brother Daniel

    Stefanie Keenan Report

    #64

    Gisele Bundchen With Her Twin Sister Patricia

    Gisele Bundchen With Her Twin Sister Patricia

    gisele Report

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    #65

    Christian Campbell With His Sister Neve

    Christian Campbell With His Sister Neve

    Stephen Lovekin Report

    #66

    Kate Middleton With Her Sister Pippa

    Kate Middleton With Her Sister Pippa

    Clive Brunskill Report

    #67

    Emily Blunt With Her Sister Felicity

    Emily Blunt With Her Sister Felicity

    Patrick Riviere Report

    #68

    Paris Hilton With Her Sister Nicky

    Paris Hilton With Her Sister Nicky

    Michael Loccisano Report

    #69

    Alexandra Daddario With Her Sister Catherine

    Alexandra Daddario With Her Sister Catherine

    Paul Bruinooge Report

    #70

    Jon And Dan Heder

    Jon And Dan Heder

    Randy Shropshire Report

    #71

    Robert Pattinson With His Sister Lizzy

    Robert Pattinson With His Sister Lizzy

    Report

    #72

    Gigi And Bella Hadid With Their Brother Anwar

    Gigi And Bella Hadid With Their Brother Anwar

    Chance Yeh Report

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    #73

    Lindsay Lohan With Her Sister Ali

    Lindsay Lohan With Her Sister Ali

    David M. Benett Report

    #74

    Matt Dillon With His Brother Kevin

    Matt Dillon With His Brother Kevin

    Jim Spellman Report

    #75

    Victoria Justice With Her Sister Madison

    Victoria Justice With Her Sister Madison

    Gregg DeGuire Report

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    #76

    Gemma Arterton With Her Sister Hannah

    Gemma Arterton With Her Sister Hannah

    Bertrand Rindoff Petroff Report

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    #77

    Jenny McCarthy With Her Sister Amy

    Jenny McCarthy With Her Sister Amy

    Evan Agostini Report

    #78

    Cara Delevigne With Her Sisters Poppy And Chloe

    Cara Delevigne With Her Sisters Poppy And Chloe

    Nick Harvey Report

    #79

    Kevin, Joe, Nick, And Frankie Jonas

    Kevin, Joe, Nick, And Frankie Jonas

    Rob Kim Report

    #80

    Bella And Dani Thorne

    Bella And Dani Thorne

    Michael Kovac/AMA2016 Report

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    #81

    Lily Aldridge With Her Sister Ruby

    Lily Aldridge With Her Sister Ruby

    lilyaldridge Report

    #82

    Stella And Mary McCartney

    Stella And Mary McCartney

    David M. Benett Report

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    #83

    Kelly Osbourne With Her Brother Jack

    Kelly Osbourne With Her Brother Jack

    Michael Buckner Report

    #84

    Ben Affleck With His Brother Casey

    Ben Affleck With His Brother Casey

    E. Charbonneau Report

    #85

    Alexandra Daddario And Her Sister Catharine

    Alexandra Daddario And Her Sister Catharine

    Report

    #86

    Sisters Charlotte Gainsbourg And Lou Doillon

    Sisters Charlotte Gainsbourg And Lou Doillon

    Foc Kan Report

    #87

    Jess Wright With Her Little Sister Natalya

    Jess Wright With Her Little Sister Natalya

    Anthony Harvey Report

    #88

    Shay Mitchell With Her Younger Brother Sean

    Shay Mitchell With Her Younger Brother Sean

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    #89

    Jessica Simpson With Her Sister Ashlee

    Jessica Simpson With Her Sister Ashlee

    Frazer Harrison Report

    #90

    Douglas Booth With His Sister Abigail

    Douglas Booth With His Sister Abigail

    David M. Benett Report

    #91

    Alexandra Daddario With Her Sister Catharine

    Alexandra Daddario With Her Sister Catharine

    Sonia Moskowitz Report

    #92

    Taylor And Mackinley Hill

    Taylor And Mackinley Hill

    taylor_hill Report

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    #93

    Miley Cyrus With Her Sister Brandi

    Miley Cyrus With Her Sister Brandi

    Kevin Winter Report

    #94

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    #95

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    #96

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    #97

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