Rob McElhenney (Mac) on the FX TV series It’s Always Sunny in Philadelphia- Weight Gain Formula
Rob McElhenney (Robert Dale "Rob" McElhenney) of It's Always Sunny in Philadelphia, an American television sitcom, gives his Weight Gain Formula. Rob McElhenney. "I tried to look as ugly as possible, basically," he said of his remarkable 50-pound weight gain for Season 7. So what exactly compelled the star to...