Jennifer Lawrence and Nicholas Hoult go out to dinner: Are they dating again?

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Jennifer Lawrence and Nicholas Hoult might have split back in January after dating for two years, but the former couple has been in close quarters while filming their new movie "X-Men: Days of Future Past." It seems as though working together might have fanned the flames of passion once again as Lawrence and Hoult were spotted grabbing dinner together at The Little Door restaurant in Los Angeles.

"They arrived together," an onlooker tells People. Though Lawrence and Hoult weren't "openly affectionate," the source says "it looked like a date."

The reps for both actors have no comment, but then again Lawrence and Hoult would likely keep things low key if they were to become a couple once again. They managed to keep their relationship a secret for more than a year after meeting and falling in love on the set of 2011's "X-Men: First Class," so a reunion would likely be no different.

Of course, this date could just have been a fun night out for the ex's -- but it also could be something more. Hollywood relationships are often pulled apart by difficult schedules, so now that Lawrence and Hoult are back on the same set, they likely finally have some quality time to spend with one another. That's not something we would complain about, since they are one of our favorite celeb couples in recent years.

"[My boyfriend] is honestly my best friend, and hopefully I'm his best friend too. He's my favorite person to be around and makes me laugh harder than anybody," Lawrence told Elle in November 2012. "We can eat Cheetos and watch beach volleyball and we turn into two perverted Homer Simpsons, like, 'Oh, she's got a nice a**.' I never thought we'd have such different opinions on a**es."

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