The singer performed I’m On Fire during Sunday night's results show.
"Giving a running commentary in front of the telly while drinking tea is standard for me!"
Stars like Paul Mescal, Jodie Comer and Beverley Knight all turned it out on the red carpet.
Beverley Knight and Dame Arlene Phillips also picked up awards during the annual theatre awards.
Strictly Come Dancing champion Rose Ayling-Ellis and David Tennant have also been nominated at the Oliviers.
The singer claimed it was the second night in a row that there'd been an incident due to patrons' drinking.
A star-studded advert will air on TV to encourage those from Black, Asian and minority ethnic backgrounds to take the vaccine.
Beverley Knight's album 'Soulsville' is out today.