OK! EXCLUSIVE: Lea Michele Shares Her Best Diet Secret

By:OK! Staff

Feb. 8 2010, Published 9:09 a.m. ET

In case you were wondering why Glee star Lea Michele is looking super svelte lately, the new issue of OK! gives you the answer.

OK! HOT GALLERY: THE STARS LIGHT UP THE GRAMMYS RED CARPET

"I'm a vegan," Lea tells OK!. "It makes me feel really good and bright." Lea doesn't eat meat and dairy, and says that brings pep to her acting abilities.

OK! HOT GALLERY: SAG AWARD WINNERS SHINE

"You need a lot of energy to play spunky Rachel Berry, so I've tried a lot of different things — and so far, this is working."