POPSUGAR Celebrity Mariah Carey Slide Photo of Nick Cannon and Mariah Carey at Floyd Mayweather Jr. and Shane Mosley Fight Fight Night by Molly Goodson 5/04/10 0 Shares Like us on Facebook Sign up for our daily newsletter > Follow us on Pinterest Nick Cannon and Mariah Carey attended the Floyd Mayweather Jr. vs Shane Mosley fight in Las Vegas on Saturday night. Image Source: Getty Read More Nick CannonHotMariah Carey Mariah Carey Mariah Carey Has a Pumpkin-Carving Date With Her "Munchkins" Mariah Carey's Latest Instagram Snap Will Totally Take You Back Exclusive! Mariah Carey Is Launching a '90s Throwback Lipstick For MAC Blonde Ambition: 12 Stars Inspired by Marilyn Monroe POPSUGAR, the #1 independent media and technology company for women. Where more than 75 million women go for original, inspirational content that feeds their passions and interests. Be in the Know With OurCelebrity and Entertainment Newsletter Personalize A-Listers TV Young Hollywood Movies Sign up with facebook or By signing up, I agree to the Terms and to receive emails from POPSUGAR.