"Titanic" is heading back into theaters this week -- but recently the cast and crew hit the red carpet again for the film's world premiere in 3D!

While Leonardo DiCaprio was noticeably absent from the affair, Kate Winslet, Billy Zane, James Cameron and Suzy Amis were all in attendance at The Royal Albert Hall in London.

Winslet seems to only get better with age, the 36-year-old stunning in a black Jenny Packham gown at the event.

But how has everyone else aged? Check out Billy, James and Suzy from the premiere, plus see what the rest of the cast looks like now in the gallery above!

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