Seth Rogen: I Need My Fat Clothes Back (PHOTOS)

Seth Rogen lost about 30 pounds in 2009 to play the title role in 'The Green Hornet' but he says he's having trouble staying slim.

"I'm slowly outgrowing all the clothes I bought last year," he told Us Weekly. "It's a sad thing. I gave away all my fat clothes, thinking 'I won't need these anymore,' but I do!"

Seth got engaged to his longtime girlfriend Lauren Miller last fall. Here they are in February:

And in January 2010 promoting 'The Green Hornet:

And promoting 'Knocked Up' in 2007: