Brody Jenner and Jayde Nicole have decided to split, according to reports Tuesday. Us Weekly reports, Jenner, 26, called it quits with Playboy’s 2008 Playmate of the Year, 23, after the couple consistently bumped heads about Jenner’s ongoing relationship with ex-girlfriend Kristin Cavallari on the fifth season of the MTV reality hit. Nicole wrote on her Twitter page: “Sometimes when you...