Before psychotic trickster Harley Quinn takes over in the upcoming Suicide Squad, actress Margot Robbie steals the spotlight with her sizzling and plunging racy dress. According to Daily Mail Online, all eyes were on the Australian stunner's low-cut black jumpsuit as she graced the Hollywood red carpet at the New York premiere of her Whiskey Tango Foxtrot comedy, starring Tina Fey (30 Rock).