The premiere marked the end of years of work on “Avatar.” (Matt Sayles / Associated Press)
“Avatar’s” lead actor at the film’s Hollywood premiere. (Matt Sayles / Associated Press)
Michelle Rodriguez, who plays Trudy Chacon in “Avatar,” on the blue carpet Wednesday in Hollywood. (Jason Merritt / Getty Images)
The actress who plays Neytiri in the film arrives at the “Avatar” premiere. (Matt Sayles / Associated Press)
She’s the voice behind “I See You,” the song from the closing credits of “Avatar.” (Paul Buck / EPA)
Sigourney Weaver at the Hollywood premiere of “Avatar,” in which she plays Dr. Grace Augustine. (Kevin Winter / Getty Images)
“The Hills” star Audrina Patridge attends the “Avatar” premiere. (Kevin Winter / Getty Images)
Married couple Rhea Perlman and Danny DeVito hit the “Avatar” world premiere Wednesday in Hollywood. (Jason Merritt / Getty Images)
The costars on the blue “red carpet.” (Matt Sayles / Associated Press)
He plays the Navi warrior prince Tsu-tey in “Avatar.” (Kevin Winter / Getty Images)
The actress arrives at the “Avatar” premiere. (Matt Sayles / Associated Press)
At the “Avatar” premiere. (Robyn Beck / AFP / Getty Images)
Zoe Saldana at the premiere of “Avatar,” in which she plays Neytiri. (Kevin Winter / Getty Images)
The actress signs autographs at the “Avatar” premiere. (Robyn Beck / AFP / Getty Images)
The director and his wife on the blue carpet Wednesday in Hollywood. (Matt Sayles / Associated Press)
The “Heroes” actor arrives at the “Avatar” premiere Wednesday. (Jason Merritt / Getty Images)
He plays Parker Selfridge in “Avatar.” (Paul Buck / EPA)
Producer, director and “Avatar” cast members on the blue carpet. (Matt Sayles / Associated Press)
The actor shows off his tattoo at the “Avatar” premiere. (Matt Sayles / Associated Press)
In “Avatar,” he plays Cpl. Lyle Wainfleet. (Paul Buck / EPA)
The actress’ son accompanied her to the “Avatar” premiere. (Matt Sayles / Associated Press)
The “Titanic” actor hangs out with the “Avatar” actress on the blue carpet Wednesday. (Robyn Beck / AFP / Getty Images)
At the “Avatar” premiere Wednesday. (Paul Buck / EPA)
He plays Eytukan in the film “Avatar.” (Paul Buck / EPA)
He plays Norm Spellman in “Avatar,” which premiered Wednesday in Hollywood. (Paul Buck / EPA)
He plays Col. Miles Quaritch in “Avatar.” (Paul Buck / EPA)
The singer on the “Avatar” red -- oops, we mean blue -- carpet Wednesday night in Hollywood. You’ll find all things “Avatar” at the Hero Complex blog. Visit the Ministry of Gossip for coverage of the “Avatar” blue carpet and more celebrity and pop culture news. (Paul Buck / EPA)