Michelle Trachtenberg Didn't Enjoy Kissing Zac Efron

MICHELLE Trachtenberg says kissing Zac Efron was like making out with cardboard. The Gossip Girl star — who has locked lips with a number of Hollywood hunks — says she hates shooting intimate scenes with her male costars, no matter how sexy they are.“Kissing scenes for me are just like kissing cardboard,” says Michelle, who locked lips with Efron in the movie 17 Again...!