Uncle Mel must be soooo proud!

Mel Gibson’s 20-year-old niece wants to be a star like her famous uncle, and she’s using topless photos to get there, RadarOnline.com has exclusively learned.

Gibson's niece, Anna Dunne, is a member of the modeling website, ModelMayhem.com, where she has posted some salacious photos of herself topless, pressed up against a male model.

To see the photos, click here.

"I love the business of modeling and would love to pursue any opportunities that I may have at it," Anna says in her profile description.

"I may not be the best, but I love to give it my all and have a good time along the way..."