Donna Summer dead at 63: Celebrity reactions

Slideshow posted in Photos | Thursday, May 17, 2012

3 of 17: 'RIP Donna Summers!!!!!!!!! (sic),' Tweeted singer Mary J. Blige. 'You were truly a game changer!!!'

(Pictured: Mary J. Blige talks to's parent company KABC Television on Sunday, April 23, 2011 at the Billboard Music Awards.) (OTRC Photo)