Britney Spears takes on a "helium challenge" during her appearance on UK’s The Jonathan Ross Show last weekend.
During her interview with Jonathan Ross, the host asks the pop star to inhale a balloon's worth of helium, then sing a song of her choice. Although Ross gives Britney the option of singing one of her own hits, she picks Taylor Swift's Shake It Off instead - watch the clip from tonight's episode below.
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Britney's appearance on The Jonathan Ross Show was recorded on the week she was in London to perform at Apple Music Festival, her first gig in the UK in five years.
Britney Spears performed all of her greatest hits including '...Baby One More Time, Toxic and Gimme More during her 90-minute performance. Check out one of those performances below.
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