Jennifer Lawrence and Nicholas Hoult have reportedly given their relationship another go.

The couple rekindled their romance while working together recently on the set of the upcoming X-Men sequel.

A source told Us Weekly that the couple, who split in January ahead of awards season, became friends again when they began filming began in April. According to the insider, the actress fell head over heels in love again as they worked together again on X:Men Days Of Future Past.

The source spotted them kissing spontaneously and later learned they became intimate again.

"They started the shoot in April as friends, and then one day they just started kissing," said the eyewitness. "One thing led to another and they hooked up.

The source attributes the reconciliation to Lawrence's reignited spark for the British hunk, they previously dated for two years.

"All her old feelings came rushing back. Now they're fully back on," the source explained.

The eyewitness account confirms an earlier Us Weekly report. Another insider said the couple has been eating lunch together on the film's set every day and went to dinner together when they are not busy not filming.

"It's just a friendship now, though they're getting a lot closer," a friend of the pair said, citing a dinner date at L.A.'s The Little Door in April. The earlier source said Hoult also joined Lawrence and her family for a stroll in Montreal in-between filming on June 2.

Hoult is reprising his role as Hank/Beast for the upcoming film. He has a cult following for his zombie movie Warm Bodies and his last film Jack The Giant Slayer arrived in theaters this spring.

Lawrence is playing the younger Raven Darkhölme/Mystique in the X-Men sequel. Rebecca Romijn played the raven-haired beauty in the first X-Men film.

Lawrence's next film, Hunger Games: Catching Fire will arrive in theaters on Nov. 22, 2013 and X-Men: Days of Future will arrive in theaters in 2015.