TMZ has learned ... Ray will be paired up with Anna Trebunskaya.
Meanwhile, Pittsburgh Steelers superstar Hines Ward will dance with Kym Johnson.
As for Ralph Macchio -- he's set to tango with Karina Smirnoff.
Wanna party with Justin Bieber ... you gotta sign on the dotted line! We got our hands on the contract JB makes all his guests sign ... and it seems outrageous and totally douchey -- but maybe it isn't. We'll explain.Plus, Lil Scrappy dodges jail time by claiming he's…
Are you ready for this? Because if you're not, get ready for this -- Fishwrapper is ready to live…READ MORE