The Queen Of R&B Mary J. Blidge is always dressed to kill and when she stopped pass to chat with Chelsea Handler on E!‘s late night show Chelsea Lately she delivered once again. Looking absolutely chic with her nerd glasses and pumps Mary dished on everything about how she prepared for her big movie debut in the new film “Rock of Ages“. Mary discussed how she had to get an acting coach to help her find and understand her character as well as really getting in touch with her acting skills. On top of having an acting coach Mary discussed her character Justice who plays a stripper, and Mary went into some minor details of her at home stripper escapades. Check out the interview…