The star will allegedly take to the stage on Saturday (June 23) to perform a track from her latest album A Million Lights, as well as perform new single 'Call My Name' with Calvin Harris.
© Rex Features / Hugh Thompson/Rex Features
© Ricky Swift/WENN.com
"Cheryl has kept the appearance quiet because there were some planning issues to iron out, but she can't wait to appear with Calvin on stage," a source told The Mirror.
"The single has been a huge hit, and she's really enjoying performing it live for fans, but Radio 1's Hackney Weekend will be the biggest live performance of her new material yet.
"It will be a fantastic comeback to the UK performances ahead of the new tour dates which she has just announced."
© PA Images / Ian West/PA Wire
Radio 1's Hackney Weekend is the BBC station's biggest ever free-ticketed event with 100,000 music fans attending across the weekend.
Jay-Z and Rihanna will headline the two-day event with further performances from Nicki Minaj, Kasabian, Leona Lewis, Jessie J and will.i.am.
Meanwhile, Cole is currently at number two on the midweek chart with new album A Million Lights, while Justin Bieber is 3,000 copies ahead at number one with Believe.
Watch the music video for Cheryl's 'Call My Name' below:
