On September 8 , 2009 , the group performed live for Oprah Winfrey 's 24th Season Kickoff Party , on Michigan Avenue in Chicago . An estimated 21,000 dancers in the streets performed a flash mob to the live performance of " I Got ta Feeling " . The group performed at the American Music Awards of 2009 with the songs " Meet Me Halfway " and " Boom Boom Pow " . They also won 2 out of 3 categories in which they were nominated ; Favorite Rock/Pop Group & Favorite R&B / Soul Group
American Music Awards of 2009
American Music Awards of 2009
The Black Eyed Peas