HOLLYWOOD, Calif. — Jim Carrey is going to be a grandfather!

The 47-year-old actor's daughter, Jane Carrey, is pregnant and expecting her first child with her rocker fiancé, Alex Santana.

"I'm very excited," the one-time "In Living Color" star said in a statement. "Jane is going to be a great mom."

Jane Carrey, 21, is the "Bruce Almighty" star's daughter with ex-wife Melissa Womer. She performs as a singer for the Jane Carrey Band.

Santana, whose stage name is Nitro, is a member of the rock band Blood Money.