The Florence And The Machine vocalist said she has been getting a little carried away during her recent tour of Australia and decided to cut back on tasty calorific treats when she takes her band to Europe and the US later this year.
She said: "I have to cut back because I spend so much money on food! This last tour I have been thinking I shouldn't eat three meals a day from room service."
However, the singer likes being on tour because it means her days are set out for her and she doesn't have to worry about organising her own life.
She added: "I like travelling, because I'm so overwhelmed with stuff when I come home.
"When you're on tour the clutter of daily life is taken off you ñ sing here, go there.
"But I miss my family and having home cooked food, and not eating out all the time."
She also said her sister wants her to win all three of the BRIT awards she is nominated for - British Female Solo Artist, British Breakthrough Act and British Album ñ so she can play with them.
Florence ñ who was honoured with the Critics' Choice accolade last year - added: "My younger sister is like, 'if you win all three, you'll have four of them and you can use them as little talking statues and stage a play with them."