The former Girls Aloud star opted to wear a pair of quirky old-school 1950’s-style specs - for reasons only known to herself - as she joined the TV chef on his Food Revolution campaign in West London on Friday.
The 32-year-old singer, who has just returned from the Cannes Film Festival, finished off her look with an embroidered baseball jacket and simple black t-shirt and ripped jeans.
Chezza got stuck into helping Jamie cook up a storm at his restaurant in the Westfield Shopping Centre in Shepherds Bush.
It was all in aid of improving children’s access to healthier food across the globe, which Chezza has been urging her fans to get involved in.
She wrote on Twitter: "I've signed up to join the #FoodRevolution! Please do the same”.
One person not at the event was Cheryl’s current beau, former One Direction star Liam Payne.
Last month Cheryl hit back at her former husband Jean-Bernard Fernandez-Versini’s claims that she had begun her relationship with Liam while they were still together.
Writing on Twitter, she insisted: “If anybody believes the shit they’re reading today you really don’t know me at all.”
Similarly, a spokesperson for Cheryl told MailOnline: “Cheryl does not and is not going to comment upon private matters. Jean-Bernard’s information about when Cheryl started her relationship with Liam is false.”