Robert Downey Jr. striped shirt jeans sunglasses

Robert Downey Jr. and his wife Susan were spotted shopping on Monday evening, and the box office superstar flashed X17 photogs his sexy smile before driving off in his Bentley.

RDJ is currently filming the yet-to-be-titled Sherlock Holmes sequel, and before we get to see him slip into his Iron Man suit for the Avengers movie in 2012, he's reportedly set to star in How To Talk To Girls, which is based off of child author Alec Greven's book of the same title. Click after the jump to see the hilarious YouTube video of Alec promoting his book -- he was just 9 years old when he penned the piece on wooing the ladies!