Stars share photos of London event
The stars joined Robbie Williams, 39, performing at the annual event at Wembley Stadium in London.
Revealing how they spent their day, they uploaded pictures to Instagram.
Jessie, 25, shared snaps from the stage as she warmed up for her set in a hoody and sweatpants.
‘The calm before the parlaaaaay!‘ she wrote.
‘Loving having the tour crew back! #CapitalSTB,’ Frankie told fans.
Hosting the day-long gig, Justin, 32, posted a shot of the empty stadium before the crowds arrived.
‘Can’t wait to see this place filled up!‘ Justin exclaimed.
‘Turn Up London!! #CapitalSTB #Yourhostwiththemost.’
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