Jenny McCarthy “Really Excited” to Be a Grandma

 Jean Baptiste Lacroix/

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 "I think I'm gonna rock as a grandma."

Check out funny pics of Jenny goofing off at the Super Bowl last year!

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 take Tylenol?' We have an awesome relationship. I consider her my daughter," McCarthy, 37, tells Us.

Check out pics of Jim and Jenny — and other stars — at the Sundance Film Fest

"It's just night and day comparison to my past relationships. I don't think I've ever liked having sex with someone more than 2 years! It gets boring," she says. "And you know it's true love when you still get butterflies with you kiss him. I think just him being my soul mate is the key to everything.

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