See the interview, there are no visuals but there are some mentions:
http://www.cnn.com/video/#/video/showbiz/2009/04/23/dcl.ajh.beyonce.buzz.cnn
Solesoul
http://www.cnn.com/video/#/video/showbiz/2009/04/23/dcl.ajh.beyonce.buzz.cnn
Solesoul