Rihanna sexy in Alexander Wang London - Arabstoday Rihanna will make her film debut this May in the action blockbuster “Battleship” and she joined co-stars at the Corinthia Hotel for a photo call to promote the film in London. The singer looked sexy in an olive green Alexander Wang pre-Fall 2012 dress. The outfit showed off her petite frame with the cinched in waist, as she covered up with the knee-length hem. She even kept her make-up natural, while her bleached blonde locks were worn down wavy with her fringe forward. Rihanna recently denied dating Ashton Kutcher by saying that she is single and happy.