Jenny McCarthy can't wait to be a grandma after beau Jim Carrey's daughter, Jane, gives birth in the next three weeks.
"I'm really excited," McCarthy -- who will host the 4th annual Saturday Night Spectacular in Miami this weekend -- tells UsMagazine.com. "I think I'm gonna rock as a grandma."
She says that Jane, who is Carrey's daughter with his ex wife Melissa Womer, has been calling her for advice.
"She called me up saying, 'Can I