Pregnant Alicia Keys takes a tumble on stage at the Essence Music Festival

http://www.youtube.com/watch?v=8C7NQtEUq-8endofvid[starttext]By Mail Online Reporter Taking the weight off: Alicia Keys has a sit down on stage during a performance at the 2010 BET Awards on June 27th in Los AngelesAlicia Keys took a nasty fall on stage last weekend at the Essence Music Festival in New Orleans.The pregnant R&B singer was performing her hit song, Love is Blind, when she stumbled