Jessie, David and Olivia, along with American film producer Harvey Weinstein, filmed a taping for the lively chat show on BBC One, which will air tonight.
'Bang Bang' singer Jessie provided the music for the night, but she also joined the stars on the sofa to chat to Graham.
This week it was revealed that Jessie has signed up as a new coach on The Voice Australia. It's familiar ground for the popstar, who appeared on the UK version of the show for two series' from 2011 to 2012.
Rocking a short bob and posing in a daring black jumpsuit, 26-year-old Jessie posed with David, Olivia and Harvey backstage. Commenting on the snap, she said: "So lovely to see you all!"
Meanwhile, Broadchurch stars David and Olivia were no doubt grilled about the current second series, which has recently returned to our screens. Over 7.5 million people tuned in on 7 January to watch the return of the hit ITV drama.
The Graham Norton Show airs tonight at 10.35pm on BBC One.
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