Could be fun, Bradley. Photo-Illustration: Vulture; Photos: Samir Hussein/WireImage, Taylor Hill/Getty Images Bradley Cooper, probably inspired by the first American stops on fellow pop diva Lady Gaga’s Mayhem Ball tour, will have a Vegas residency of his own. Or possibly a Monte Carlo residency. Regardless, something to do with casinos. Cooper is in talks to star opposite Margot Robbie in her long-anticipated Ocean’s Eleven prequel, according to The Hollywood Reporter . Lee Isaac Chung, who