Sam Ryder

Loreen made history by becoming the first woman to win Eurovision twice

Roger Taylor joined Sam Ryder for a performance of his new song 'Mountain'

They'll join the previously announced Gwen Stefani who's set to appear as a special guest at both shows

Past Ukrainian contestants will also combine their respective entries with some "British classics"

Harry Styles, Spice Girls and Sam Ryder also appear in the collection

This year's ceremony is due to take place at The O2 Arena in London next month

The Eurovision star hailed Hawkins as "an absolute guitar hero god"

The pop star and Eurovision entrant has worn a lot of hats in his musical past

"You can do a lot on social media, but there's something more special about music when you actually get it to the people"

"I was like, 'You can't do the thing you love most, which is music and singing, if you're at the bottom of the sea'"