NEW YORK —  Matt Damon and his wife Luciana are expecting another baby, his rep told People magazine.

"They couldn't be happier," his spokeswoman Jennifer Allen told the magazine. "They're so excited!"

People's current Sexiest Man Alive, 37, and his wife, 32, attended the Empire Film Awards in London Sunday night — with Luciana glowing (and sporting a baby bump), People reported.

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This is the third child for the Damon family: Daughter Isabella was born in June 2006, and Luciana has a 9-year-old daughter, Alexia, from a previous marriage.