Whose Sexy Celebrity Daughter Is This?

Bikini-clad actress has a very famous relative

Hollywood, it's all relative.

But even if there are lots famous families in Tinseltown, it doesn't mean you can tell who is related to whom.

So come on: We bet you can't guess which celebrity is the parent of this 19-year-old bikini-clad actress.

Curious? She's the child of...

Jack Nicholson.

That's right, the actor's daughter Lorraine Nicholson is all grown up and working on a film.

The former Miss Golden Globe 2007 is on the set of Soul Surfer, the biopic about Bethany Hamilton, who lost an arm to a shark attack.