Nicholas Hoult and Jennifer Lawrence at Comic-Con 2013Kevin Winter/Getty Images

"X-Men: Days of Future Past" co-stars Jennifer Lawrence and Nicholas Hoult enjoyed a first-class afternoon at a Montreal park on Tuesday.

The actors, who were photographed walking hand-in-hand and reading in the grass, with Lawrence resting her head on Hoult's stomach, appear to have rekindled their romance while filming the upcoming "X-Men" movie in the Canadian city.

According to a source for E! News, the two "were very touchy-feely, laughed a lot, and seemed really comfortable together" during their outing, which included a picnic lunch.

This isn't the first time Hoult and Lawrence have looked every bit the couple following their January 2013 split: They arrived at the August 17 "X-Men" wrap party together, and they joined their castmates at a private screening of "The Butler" over the weekend.

Catch the young stars back together on the big screen when "X-Men: Days of Future Past" hits theaters May 23, 2014.

[via E! News]

X-Men: Days of Future Past 2013 Comic Con Panel

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