Emma Roberts at Teen Choice Awards 2010 (PHOTOS)

Hotel for Dogs star Emma Roberts showed off a dramatic new hair color on the red carpet at the Teen Choice Awards.

The 19-year-old actress complemented her new raven tresses with a chartreuses strapless green dress and black stiletto booties. Maybe Emma dyed her hair for her upcoming role in Scream 4?

What do you think of Emma’s red carpet style? Click here for more photos and check out the Teen Choice Awards 2010 page for the latest news on the world’s coolest award show.