Clean Bandit

have their sights set on a collaboration with Rihanna.

But frontwoman Grace Chatto admits “every day we just hope for Rihanna, but it’s looking less and less likely”.

RiRi recently announced she is expecting her first child with rapper A$AP Rocky.

Clean Bandit’s single, Everything But You, is

out now, and Grace, 36, says: “It’s a love song about not giving up on yourself.”