Celebs You Didn't Know Were Child StarsRelated: Listomania, Christian Bale, Fergie, Hayden Panettiere, Jake Gyllenhaal, Jennifer Love Hewitt
- Photo: Columbia Pictures/Promotional/WENN14 of 26
Yep, before they played boyfriend and girlfriend on "Buffy the Vampire Slayer," Green and Hannigan shared the screen in "My Stepmother Was an Alien." He'd been acting since he was 10, and here you seem him in "Stepmother" at only 14.
- Party AnimalsCheck out some of Hollywood's biggest party animals.Watch Video »
- Carrie's ChangesSee how this country cutie has changed her looks over the years.Watch Video »
From Videos of Wonderwall
From MSN Entertainment
From Crowd Ignite