In October, Justin Timberlake made it very clear that Jessica Biel was his person. “It’s like a baptism, where you’re like, ‘I can’t go back,’” he gushed in an interview. But it seemed as though Timberlake, 38, forgot his religion on Nov. 21, when the singer was spotted holding hands with his Palmer costar, Alisha Wainwright, at a bar in New Orleans (inset). At one point, the former boy bander — sans wedding ring — even put his arm around the actress’ waist. JUST FRIENDS It looks bad, but it’s not. A source, who was at the bar, tells Us that Timberlake and Wainwright’s relationship is only platonic. “Justin and Alisha are just friends,” says the source. “Nothing remotely romantic is going on.” In fact, Wainwright, 30, “has been dating…
