After Ben Higgins and Lauren Bushnell called off their wedding, which Life & Style exclusively reported, the Bachelor star took to Twitter to insist, “We are better today than ever before.” Um, not exactly. Ben has been talking to his Bachelor runner-up, JoJo Fletcher, behind Lauren’s back, a source exclusively reveals. “Ben has been secretly calling JoJo ever since Lauren moved in with him in April,” the source reveals. (Lauren, 26, and Ben, 28, have been living in his Denver bachelor pad as they film their low-rated reality series Ben & Lauren: Happily Ever After?) “They talked every three or four weeks at first, but it’s become more frequent since the wedding was canceled. If Lauren knew about it, she’d be devastated.” Even though JoJo, 26, is still engaged to…