New York Daily News reports that hip-hop mogul Russell Simmons and model Petra Nemcova have been spotted getting cozy lately, despite Simmons' claims that they're "just friends" and charity partners. If they are hooking up, someone needs to get Petra a mirror -- STAT. 'Cause unless Russell and her cheating ex James Blunt are as "endowed" as David Spade appears to be, the girl is seriously underestimating herself.