"Titanic" 3D premieres in U.K.

Kate Winslet attends the "Titanic" 3D world premeire at the Royal Albert Hall on March 27, 2012, in London.

James Cameron's 1997 epic, which starred Winslet and Leonardo DiCaprio, is being re-released in 3D and will coincide with the 100th anniversary of the Titanic's doomed maiden voyage. The film opens in theaters on April 6.

Director James Cameron and Suzy Amis Cameron attend the "Titanic" 3D world premeire at the Royal Albert Hall on March 27, 2012, in London.

Kate Winslet attends the "Titanic" 3D world premiere at the Royal Albert Hall on March 27, 2012, in London.

Director James Cameron and Suzy Amis Cameron attend the "Titanic 3D" world premeire at the Royal Albert Hall on March 27, 2012, in London.

James Cameron and Kate Winslet attend the world premiere of "Titanic" 3D at the Royal Albert Hall on March 27, 2012, in London.

From left, James Cameron, Kate Winslet and Billy Zane attend the world premiere of "Titanic" 3D at the Royal Albert Hall on March 27, 2012, in London.

Actor Billy Zane attends the "Titanic" 3D world premiere at the Royal Albert Hall on March 27, 2012, in London.

Kate Winslet attends the world premiere of "Titanic" 3D at the Royal Albert Hall on March 27, 2012, in London.

From left, James Cameron, Kate Winslet and Billy Zane attend the world premiere of "Titanic" 3D at the Royal Albert Hall on March 27, 2012, in London.

Actress Jenna Louise Coleman attends the "Titanic" 3D world premiere at the Royal Albert Hall on March 27, 2012, in London.

James Cameron and Kate Winslet attend the world premiere of "Titanic" 3D at the Royal Albert Hall on March 27, 2012, in London.

Candice Neill and actor Billy Zane attend the "Titanic" 3D world premiere at the Royal Albert Hall on March 27, 2012, in London.

Actor Bill Paxton and Louise Newbury attend the "Titanic" 3D world premiere at the Royal Albert Hall on March 27, 2012, in London.

Actresses Francis Fisher and Rochelle Rose attend the "Titanic" 3D world premeire at the Royal Albert Hall on March 27, 2012, in London.

Billy Zane attends the world premiere of "Titanic" 3D at the Royal Albert Hall on March 27, 2012, in London.

Kate Winslet attends the world premiere of "Titanic" 3D at the Royal Albert Hall on March 27, 2012, in London.

Bill Paxton attends the world premiere of "Titanic" 3D at the Royal Albert Hall on March 27, 2012, in London.

Billy Zane attends the world premiere of "Titanic" 3D at the Royal Albert Hall on March 27, 2012, in London.

Actress Francis Fisher attends the "Titanic" 3D world premeire at the Royal Albert Hall on March 27, 2012 in London.