Gallery: 18 failed celebrity engagements: Olivia Wilde, Ariana Grande, Zayn Malik and more (Hello!)A source told The Sun: 'They're really smitten with each other.
They've known each other for a while but only very recently started dating. 'The relationship is in its very early stages and things are going well.
Who knows where things could go?'According to the publication, Jennifer has reportedly known Chris since she became friends with his ex Danielle last year.
The source added: 'She was mates with Jen, but it has put a strain on their friendship. Danielle was with Chris for so long but just wants things to move forward.
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