Maggie and Jake Gyllenhaal Now:
Liam and Chris (and Luke) Hemsworth Then:
Mary-Kate, Ashley & Elizabeth Olsen Now:
Kourtney, Kim and Khloe Kardashian Now:
Jessica and Ashlee Simpson Then:
Jessica and Ashlee Simpson Now:
Donnie and Mark Wahlberg Then:
Donnie and Mark Wahlberg Now:
Hilary and Haylie Duff Then:
Hillary and Haylie Duff Now:
Kevin, Nick and Joe Jonas Then:
Kevin, Nick and Joe Jonas Now:
Isaac, Zac and Taylor Hanson Then:
Isaac, Zac and Taylor Hanson Now:
Britney and Jamie Spears Then:
Britney and Jamie Lynn Spears Now: