'Avatar' star Zoe Saldana is engaged to longtime beau Keith Britton

LOS ANGELES --- Zoe Saldana is capping off a string of hit films with another big engagement -- to her longtime boyfriend.

A spokesman for the 32-year-old actress says she is engaged to marry actor Keith Britton. Publicist Gary Mantoosh offered no other details.

Saldana has become a familiar face in film recently, with starring roles in "Star Trek" and "Avatar." The lithe brunette also appears in the action flick "The Losers," the comedy "Death at a Funeral" and the forthcoming "Takers."

Britton's credits include "Cold Case" and "As the World Turns."