Leave it to Rihanna [1] to make a plain black sports bra and athletic pants look like the coolest thing we've seen all week. After spending the day poolside during a sunny vacation in Zurich, Switzerland, last week [2], the "Work" [3] singer touched down in NYC and beat the scorching heat by ditching her shirt on Thursday afternoon. Her outing comes just a few days before her highly anticipated performance at the MTV Video Music Awards on Sunday, where she'll be presented with the Michael Jackson [4] Video Vanguard Award. If her performance is even half as good as the videos for "Bitch Better Have My Money" [5] or "Pour It Up," [6] it's going to make VMAs history.