Hot Play! Jennifer Lawrence & Chris Martin Caught 'Kissing Passionately' At Concert -- Eyewitness

Sep. 23 2014, Published 6:04 p.m. ET
What happens in Vegas, doesn’t always stay in Vegas!
Jennifer Lawrence and Chris Martin have been very secretive about their romance -- until the iHeartRadio Music Festival this past weekend!
“At around 7pm on Friday night, Jennifer and Chris were making out backstage in an area that only allows security and a select group of celebrities in,” an eyewitness source close to the production of the festival tells RadarOnline.com exclusively.
“She had her arms around his neck,” the insider adds. “They were kissing passionately before he took the stage!”
In fact, as Martin went onstage to perform with Coldplay at the MGM Grand Arena in Las Vegas, “Jennifer was watching from backstage and looked like the proudest girlfriend in the world!”
The Hunger Games actress and her new beau finally stopped trying to hide their romance!
“They spent the entire weekend together,” the insider tells Radar, adding, “They were not trying to hide it at all.”
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The British band played a mixture of hits on Friday night, which included “Ink,” “Paradise,” “Viva La Vida,” “Clocks” and their newest single, “A Sky Full of Stars.”
This is the first relationship for Martin, 37, since splitting from actress Gwyneth Paltrow, 41, in March and also the first new romance for Lawrence, 24, since she split with actor Nicholas Hoult, 24, in July.
Do you think that Jennifer Lawrence and Chris Martin will last? Let us know in the comments below.