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
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:
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
20.
Britney and Jamie Lynn Spears now:
Image Group LA/Disney Channel via Getty Images
Britney and Jamie Lynn Spears then:
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:
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:
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
BuzzFeed Daily
Keep up with the latest daily buzz with the BuzzFeed Daily newsletter!
