The singer wore her hair in a bun for a second time in one week on Thursday, leaving the BBC Radio 2 studios with a loose top knot that was almost the same size as her head!
Leona, 28, is obviously enjoying the look, as she had the biggest smile on her face as she emerged from promoting her new festive album, Christmas With Love.
On Tuesday, Leona had been on a date night with her German dancer boyfriend Dennis Jauch.
What did The X Factor winner wear? A massive top knot, of course!
Leona loves experimenting with her style, and while she was all power-ballads and ball gowns on The X Factor in 2006, she's become a lot edgier of late.
Leona's not the first celeb to pile her hair up in a messy bun. Find out which other celebrities are wearing topknots here.
We love it when celebs change up their looks.
Got an iPad or iPhone? Reveal Mag is specially designed to fit!