It's Britney Spears as you've never seen her before - dressed in a Victorian carol singers outfit.
The star surprised fans on the Ellen DeGeneres show by taking to the streets of L.A dressed in a red gown and bonnet to spread some festive joy.
The Womanizer star joined Ellen in a funky hip hop dance in the street and also made a disastrous effort at singing Christmas carols Silent Night and The Christmas Song.
"I had to keep teaching her about harmony," Ellen joked of their awful duet.
Britney donned the unusual outfit for the Christmas special episode.
See Britney's festive dress-up below
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