Ashley Greene wowed in a red Donna Karan gown.

Robert Pattinson (Getty Images)

Taylor Lautner (Getty Images)

Jackson Rathbone (Getty Images)

Kellan Lutz (Getty Images)

Billy Burke & his wife Pollyanna Rose (Getty Images)

Peter Facinelli (Getty Images)

Boo Boo Stewart & his sister Fivel Stewart (Getty Images)

LOS ANGELES, CA – NOVEMBER 14: Actors Robert Pattinson (L) and Kristen Stewart arrive at the premiere of Summit Entertainment’s “The Twilight Saga: Breaking Dawn – Part 1″ at Nokia Theatre L.A. Live on November 14, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA – NOVEMBER 14: Actress Kristen Stewart arrives at the Los Angeles premiere of “The Twilight Saga: Breaking Dawn Part 1″ held at Nokia Theatre L.A. Live on November 14, 2011 in Los Angeles, California. (Photo by Steve Granitz/WireImage)

LOS ANGELES, CA – NOVEMBER 14: Actress Kristen Stewart arrives at the Los Angeles premiere of “The Twilight Saga: Breaking Dawn Part 1″ held at Nokia Theatre L.A. Live on November 14, 2011 in Los Angeles, California. (Photo by Steve Granitz/WireImage)

LOS ANGELES, CA – NOVEMBER 14: Actors Robert Pattinson (L) and Kristen Stewart arrive at the premiere of Summit Entertainment’s “The Twilight Saga: Breaking Dawn – Part 1″ at Nokia Theatre L.A. Live on November 14, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA – NOVEMBER 14: Actress Kristen Stewart arrives at the premiere of Summit Entertainment’s “The Twilight Saga: Breaking Dawn – Part 1″ at Nokia Theatre L.A. Live on November 14, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA – NOVEMBER 14: Actress Nikki Reed arrives at Summit Entertainment’s “The Twilight Saga: Breaking Dawn – Part 1″ premiere at Nokia Theatre L.A. Live on November 14, 2011 in Los Angeles, California. (Photo by Frazer Harrison/Getty Images)

LOS ANGELES, CA – NOVEMBER 14: Actress Ashley Greene arrives at the Premiere of Summit Entertainment’s “The Twilight Saga: Breaking Dawn – Part 1″ at Nokia Theatre L.A. Live on November 14, 2011 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

Jennifer Love Hewitt arrives at the world premiere of “The Twilight Saga: Breaking Dawn – Part 1″ on Monday, Nov. 14, 2011, in Los Angeles. (AP Photo/Matt Sayles)

Melissa Joan Hart arrives at the world premiere of “The Twilight Saga: Breaking Dawn – Part 1″ on Monday, Nov. 14, 2011, in Los Angeles. (AP Photo/Chris Pizzello)

LOS ANGELES, CA – NOVEMBER 14: Singer Willow Smith arrives at the premiere of Summit Entertainment’s “The Twilight Saga: Breaking Dawn – Part 1″ at Nokia Theatre L.A. Live on November 14, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA – NOVEMBER 14: TV personalities Kendall Jenner (L) and Kylie Jenner arrive at the premiere of Summit Entertainment’s “The Twilight Saga: Breaking Dawn – Part 1″ at Nokia Theatre L.A. Live on November 14, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)