NEW NEKKID PICS OF R&B SINGER CASSIE HIT THE NET . . . SHE SHOWS OFF HER NEW PIERCING!!!

R&B singer Cassie must have a new album coming out or something. Cause early this morning, these pics landed in our inbox.

And they show R&B singer Cassie's body . . . and her new BELLY BUTTON piercing.

Bump the nekkid pics . . . that Gucci bikini is the BUSINESS!!!