Britney Spears may be giving us a glimpse at her bedroom habits with boyfriend Jason Trawick. Saucy!

During her Femme Fatale tour in New York at the Nassau Coliseum, Brit brought Mr. Trawick on stage during her performance of "Lace and Leather" ... putting a pink boa and her legs around his neck. You go, girl.

Trawick, wearing handcuffs, was all smiles during Britney's provocative lap dance. We'd be smiling, too!