Britney Spears treats Pauly D from ‘Jersey Shore’ to a lap dance on the final night of her Femme Fatale Tour in Puerto Rico.

Britney Spears treats Pauly D from ‘Jersey Shore’ to a lap dance on the final night of her Femme Fatale Tour in Puerto Rico.

Britney’s sister Jamie Lynn holds her daughter Maddie on stage.

Sean Preston gives his mom a hug on stage at the end of the show.

Britney’s dancers cover her in silly string.

Britney Spears performs on stage on the last night of her Femme Fatale Tour in Puerto Rico.

Britney Spears performs on stage on the last night of her Femme Fatale Tour in Puerto Rico.