BET announced Monday that rappers Lil' Wayne and Drake have been added to an already star-studded list of performers at the upcoming BET Awards.  In addition to Drake and Lil' Wayne, Alicia Keys and Jill Scott will perform, as will Chris Brown, who leads the field with six nominations for the ceremony.  Legendary soul singer Patti LaBelle will be honored with a Lifetime Achievement Award, and the cermony will be hosted by Kevin Hart.  The event takes place June 26th at the Shrine Audirorium in Los Angeles, where it has been held every year since 2006.  The ceremony will be broadcast live at 8PM ET on the BET network.