Dianna Agron, Darren Criss Attend 2011 Trevor Live! Event in LA (PHOTOS)

Dianna's Pink 'Do!
Dianna Agron dyes her hair for 'Glee.'
Glee stars Dianna Agron and Darren Criss got all dressed up for the 2011 Trevor Live! event, held Sunday evening at the The Hollywood Palladium in Los Angeles, CA.

Dianna, who currently graces the cover of Nylon magazine, looked stunning in a little black cocktail dress, while Darren mixed classic and trendy with a fitted maroon tux. Other Glee stars in attendance included Amber Riley and Mark Salling.

The Trevor Live! event was part of the popular Trevor Project, which provides counseling and suicide prevention services to lesbian, gay, bisexual, transgender, and questioning youth.

What do you think of Dianna and Darren’s look? Check out photos from the event in our gallery now, then sound off in the comments!