People always told Manaya Mabry that she strongly resembles Mary J. Blige, and now that likeness has won her a trip to the BET Awards. Richmonder Mabry, 28, defeated more than 4,000 contenders in the 2009 Celebrity Lookalike Contest sponsored by BET and Dr. Miracle’s beauty care. Her prize is travel and a hotel for a two-night stay in Los Angeles and a pair of tickets to Sunday’s awards show.