Looks like Jason Segel has caught the eye of Cameron Diaz!Life & Style can reveal that the pair were caught cozying up in East Hampton, N.Y., on Tuesday night."They were at [upscale eatery] Nick and Toni's and seemed to be on a date," one eyewitness tells the mag.And that's not the only place the Hollywood hot shots were spotted — they were also seen shopping at Citarella food market in the same area!"They bought groceries and then drove off together," an eyewitness on Instagram revealed.Cameron has been in town as she films The Other Woman alongside Leslie Mann, Taylor Kinney and Kate Upton.The blond beauty, 40, and How I Met Your Mother star, 33, are spending quite a lot of time together. And that will continue as they're set to begin filming their next flick together, Sex Tape.In the raunchy movie, the two play a married couple whose sex tape goes missing. "It is R-rated," says the actor, who recently shed a lot of weight for the role. "And I'm not in shape for no reason."The duo first co-starred in the 2011 comedy Bad Teacher, where they shared a smooch. The funnyman jokingly said of the experience, "It was very good for her."It seems this could be the next big romance for Jason since splitting from actress Michelle Williams earlier this year.