Tubes and buses are usually inhabited by huffy commuters, annoying school kids or local drunks - not the sort of place you'd expect to find celebrities hanging out.

But the likes of Rihanna, Britney Spears, Geri Halliwell and Harry Styles are not afraid to mix with us plebs, after being snapped on public transport, as these pictures prove.

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  • Rihanna

  • Britney Spears

  • Holly Willoughby and Dermot O'Leary

  • Sarah Harding

  • Geri Halliwell

  • Kim and Kourtney Kardashian

  • Emma Bunton

  • Kate Middleton

  • Katie Holmes

  • The Queen

  • Jay Z

  • Harry Styles

  • Anne Hathaway

  • Rihanna

  • Alexa Chung and Zooey Deschanel

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