Monica, Brandy Presenting at 2012 "Billboard" Music Awards

Photos by Adrian Sidney/PicturegroupMonica and Brandy will serve as presenters at the 2012 Billboard Music Awards.  Robin Thicke and Wiz Khalifa will also hand out awards during the show, which will feature a performance from Usher. 

Music veterans Gladys Knight and Stevie Wonder will also participate.  Gladys was previously announced as a presenter, and as previously reported Stevie will be on hand to receive the prestigious Icon Award.

The 2012 Billboard Music Awards air live from the MGM Grand Arena in Las Vegas May 20 at 8 p.m. ET on ABC.

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