1/13
Steve Granitz/WireImage
Malin Ackerman
Stars like show host Akerman hit the green carpet looking fab at the 22nd Annual Environmental Media Awards at Warner Bros. Studios in Burbank in celebration of honorees like Jessica Alba and Ian Somerhalder's green-friendly initiatives.
Click through to see other stars who made the scene for the cause.
2/13
Steve Granitz/WireImage
Jessica Alba
3/13
Jeffrey Mayer/WireImage
Ian Somerhalder
4/13
Jason LaVeris/FilmMagic
Emily VanCamp
5/13
Steve Granitz/WireImage
Julie Bowen
6/13
Steve Granitz/WireImage
Jessica Szohr
7/13
Steve Granitz/WireImage
Paula Abdul
8/13
Gregg DeGuire/WireImage
Wilmer Valderrama
9/13
Jason LaVeris/FilmMagic
Francesca Eastwood
10/13
Gregg DeGuire/WireImage
Amy Smart
11/13
Steve Granitz/WireImage
Lance Bass
12/13
Steve Granitz/WireImage
Kat Graham
13/13
Steve Granitz/WireImage
Daryl Hannah
Check out more red carpet pics in our exclusive twitpics gallery.