Jim Carrey, star of hilarious movies such as “Ace Ventura” and “Bruce Almighty,” is about to become a grandfather.

His daughter, 21-year old Jane Carrie, is pregnant, says the actor’s rep.

“I am very excited,” he says at RadarOnline. “Jane is going to be a great mom.”

Jane is pregnant with her longtime beau, Alex Santana. She is Jim’s daughter from his ex-wife Melissa Carrey. Their marriage was dissolved in 1995. She is also the vocals of the Jane Carey Band, which is based in Los Angeles. Jane is also active in her father’s autism fundraisers, together with his current girlfriend, Jenny McCarthy.