Taylor Swift, Rihanna and Mariah Carey At Launch of VEVO At Skylight Studio

The Russian Roulette singer was at the launch of website Vevo in New York last night with Taylor Swift, Mariah Carey and Lady Gaga.Country singer Taylor Swift looked her usual elegant self by playing it safe in a simple black dress with embellished shoulder detail, black court heels and low-key accessories.Mariah Carey, who gave a speech at the event, was also there with husband Nick Cannon, and