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    31 Famous Siblings Now Vs. When They Were Kids That Prove Some Things Never Change

    The more things change, the more they stay the same.

    1. Billie Eilish and Finneas O'Connell now:

    Rachel Luna / FilmMagic / Getty Images

    illie Eilish and Finneas O'Connell back in the day:

    2. Jaden and Willow Smith now:

    Pascal Le Segretain / Getty Images

    Jaden and Willow Smith a long time ago:

    Jason Merritt / FilmMagic / Getty Images

    3. Khloe, Kim, and Kourtney Kardashian now:

    Charles Sykes/Bravo / NBCU Photo Bank / NBCUniversal via Getty Images

    Khloe, Kim, and Kourtney Kardashian forever ago:

    4. Kylie and Kendall Jenner now:

    Neilson Barnard / Getty Images

    Kylie and Kendall Jenner way back when:

    5. Solange and Beyoncé now:

    Nicholas Hunt / Getty Images for Balmain

    Solange and Beyoncé long ago:

    6. Chloe, Cara, and Poppy Delevingne now:

    Mike Marsland / WireImage / Getty Images

    Chloe, Cara, and Poppy Delevingne as kids:

    7. The Jonas Brothers now:

    Frazer Harrison / Getty Images

    The Jonas Brothers years ago:

    Jonas Brothers / Facebook / Via Facebook: JonasBrothers

    8. Serena and Venus Williams now:

    amie McCarthy / Getty Images for Lotte New York Palace

    Serena and Venus Williams as kids:

    Ken Levine / Getty Images

    9. Ashlee and Jessica Simpson now:

    Frazer Harrison / Getty Images

    Ashlee and Jessica Simpson in the old days:

    10. Frankie and Ariana Grande now:

    Frankie and Ariana Grande then:

    #TBT to when @ArianaGrande was Dorothy, @joangrande played the wicked witch's sista & I was in the middle of puberty.

    frankiejgrande / Via Twitter: @FrankieJGrande

    11. Bella and Gigi Hadid now:

    Bertrand Rindoff Petroff / Getty Images

    Bella and Gigi Hadid some time ago:

    12. Cole and Dylan Sprouse now:

    Frazer Harrison / Getty Images

    Cole and Dylan Sprouse in the past:

    The LIFE Picture Collection via Getty Images

    13. Tamera and Tia Mowry now:

    Araya Diaz / WireImage / Getty Images

    Tamera and Tia Mowry eons ago:

    14. Miley and Noah Cyrus now:

    Kevin Mazur / Getty Images for The Recording Academy

    Miley and Noah Cyrus many years ago:

    15. Aly and AJ now:

    Randy Shropshire / Getty Images for The Art of Elysium

    Aly and AJ back in the day:

    @alyandaj / Twitter

    16. Chris and Liam Hemsworth now:

    Charley Gallay / Getty Images for Disney

    Chris and Liam Hemsworth back then:

    17. Paris and Nicky Hilton now:

    Roy Rochlin / WireImage / Getty Images

    Paris and Nicky Hilton then:

    Jim Smeal/Ron Galella Collection via Getty Images

    18. Mary-Kate, Ashley, and Elizabeth Olsen now:

    Jamie McCarthy / Getty Images

    Mary-Kate, Ashley, and Elizabeth Olsen back then:

    mkaolsenfan / Tumblr

    19. Zooey and Emily Deschanel now:

    Jon Kopaloff / FilmMagic / Getty Images

    Zooey and Emily Deschanel years ago:

    Zooey Deschanel / Via facebook.com

    20. Britney and Jamie Lynn Spears now:

    Image Group LA/Disney Channel via Getty Images

    Britney and Jamie Lynn Spears then:

    @jamielynnspears / Via Instagram: @jamielynnspears

    21. Hilary and Haylie Duff now:

    Rachel Murray / Getty Images for Words with Friends 2

    Hilary and Haylie Duff long ago:

    22. Tracee Ellis Ross and Evan Ross now:

    Arnold Turner / Getty Images for Freedom Road Productions

    Tracee Ellis Ross and Evan Ross decades ago:

    Ron Galella / Ron Galella Collection via Getty Images

    23. Jake and Maggie Gyllenhaal now:

    Paul Bruinooge/Patrick McMullan via Getty Images

    Jake and Maggie Gyllenhaal ages ago:

    Bei/Shutterstock

    24. John and Joan Cusack now:

    Timothy Hiatt / Getty Images

    John and Joan Cusack a loooong time ago:

    Ron Galella, Ltd./Ron Galella Collection via Getty Images

    25. Prince William and Harry now:

    Shaun Botterill / Getty Images

    Prince William and Harry a long time ago:

    Tim Graham Photo Library via Getty Images

    26. Raini and Rico Rodriguez now:

    Ethan Miller / FilmMagic / Getty Images

    Raini and Rico Rodriguez way back when:

    27. Nicole and Sofia Richie now:

    Nicole and Sofia Richie then:

    Jason Merritt / FilmMagic / Getty Images

    28. Jessica and Joshua Alba now:

    Jon Kopaloff / FilmMagic / Getty Images

    Jessica and Joshua Alba way back when:

    29. Alec, Daniel, Stephen, and William Baldwin now:

    Jason LaVeris / FilmMagic / Getty Images

    Alec, Daniel, Stephen, and William Baldwin back in the day:

    The LIFE Picture Collection via Getty Images

    30. Julianne and Derek Hough now:

    Roy Rochlin / Getty Images

    Julianne and Derek Hough back then:

    Derek Hough / Via Facebook: watch

    31. Chad and Rob Lowe now:

    Alberto E. Rodriguez / Getty Images

    Chad and Rob Lowe in days past:

    The LIFE Picture Collection via Getty Images

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