Video: Chris Brown Sings National Anthem at Mayweather vs. Mosley Fight

Chris Brown had the honor of performing “The Star-Spangled Banner” before the Floyd Mayweather Jr. vs. Shane Mosley fight at the MGM Grand Garden Arena in Las Vegas on Saturday (May 1). “I was scared sh*tless .. to be honest,” the R&B star tweeted following the main event. Was he able to overcome his nerves? Find out below.