Pharrell Williams has revealed that he has teamed up with Adele for her new album sessions.

The British singer has long been rumoured to be working on the follow-up to her 2011 hit record '21'.

Speaking to Ryan Seacrest at Cannes, 'Happy' hitmaker Williams confirmed that he has collaborated with Adele.

However, the mother of one doesn't have much time on her hands.

The US star said: "I've seen her recently. She's kinda like, 'OK guys, I'm gonna open my diary for 20 minutes'. So it's like, OK, you have 20 minutes, or 32 minutes really.

"Then she gives it to you and closes it up and disappears, and she's off with her beautiful boy – and that's what it's all about."

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Watch Pharrell in action below: