co-stars Anna Camp and Skylar Astin got hitched over the weekend - but wedding guest Rebel Wilson almost stole the show.
Pretty in pink, the 36-year-old Aussie star showed off a trimmed-down figure as she mingled with guests including fellow Pitch Perfect alumnus Elizabeth Banks.
Wilson joined the cast of West End musical Guys and Dolls in June, so her newly slimmer physique could be due to the gruelling schedule kept by appearing in a stage musical night after night.
Earlier this year, Wilson revealed that she'd actively gained weight to further her career, sharing a story about acting alongside a larger female performer in the first play she ever wrote.
Pitches representing x A photo posted by Rebel Wilson (@rebelwilson) on Sep 11, 2016 at 12:28am PDT
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"And I was like: 'Oh. That girl's getting a lot of laughs, a lot easier than me. What is it?' Because I don't think there's much difference in talent," she told the Telegraph in the UK.
"And I remember distinctly thinking: 'I think it's because she's fatter'. And then, I don't know if it was mega-conscious, but I thought: 'How can I get more laughs? Maybe if I was a bit fatter ...' And then suddenly I was fatter, and doing comedy."
Wilson's Pitch Perfect co-stars Astin and Camp met on the set of the first film in 2013 and got engaged in January of this year during a Hawaiian getaway.
Truly on Cloud 9. I got to marry my best friend in the whole world. And she ain't too tough on the eyes either! @katieshuler A photo posted by Skylar Astin (@skylarastin) on Sep 12, 2016 at 10:59am PDT
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The loved-up couple have made no secret of their affections, raving about each other in a joint interview with PopSugar in June:
"I really do fall in love with her more every day. I always have these moments where I look at her and I feel like I was when I was a child. Is that weird?" said Astin.
"I feel like he is one of the first people I've ever met, and been with, that has really heard me and seen me and listened," said Camp. "And that's incredibly important."
Wilson shared a picture of the happy newlyweds on her own Instagram page, writing: "Massive congratulations to Sky & Anna. What an absolutely beautiful wedding."