'Avatar' Premieres in Los Angeles

Dec. 16: From left, producer Jon Landau, director James Cameron, and cast members Zoe Saldana, Sigourney Weaver, Sam Worthington, Michelle Rodriguez, Joel Moore, Laz Alonso, and Giovanni Ribisi pose together at the premiere of "Avatar" in Los Angeles. (Source: AP)

Dec. 16: Cast members Zoe Saldana, left, Sigourney Weaver, center, and Michelle Rodriguez pose together at the premiere of "Avatar" in Los Angeles. (Source: AP)

Dec. 16: Cast member Zoe Saldana arrives at the premiere of "Avatar" in Los Angeles. (Source: AP)

Sam Worthington and Zoe Saldana pose together at the premiere of "Avatar" in Los Angeles on Dec. 16, 2009. (AP)

Cast members Zoe Saldana and Michelle Rodriguez pose together on the blue carpet. (AP)

The actress stuns at the L.A. premiere. (AP)

Ripley's back! Sigourney looks hot at the "Avatar" premiere. (AP)

Sam Worthington poses in L.A. on Wednesday. (AP)

The "Lost" star looks lovely in fuchsia. (AP)

The songstress has a sexy moment on the carpet in a form-fitting gown. (AP)

Jamie Lee rocks a silver pixie cut at the premiere of "Avatar." Her son Thomas accompanied the actress. (AP)

The actor snacked on Raisinettes at the premiere. (AP)

Cuba hits the carpet for the fantasy/action flick's premiere. (AP)

A portion of the cast poses with director James Cameron. (AP)

'The Hills' star sports a unique ensemble. (AP)