Jim Carrey to be a Rubber-Faced Grandpa

Congratulations are in order for Jim Carrey, who confirmed today that he's going to be a grandpa now that his 21-year-old daughter, Jane Carrey is expecting her first child with fiancé, musician Alex "Nitro" Santana.

"I am very excited," the 47-year-old actor told RadarOnline.com about the happy news. "Jane is going to be a great mom."

Jane, whose mother is Jim's first wife, Melissa Wormer, is a rising star in her own right as the singer for the Jane Carrey Band.