From falling on stage to running into glass doors, all celebrities have clumsy moments — but as stars like Justin Bieber and Demi Lovato have proven, some have more than others. After a series of klutzy moments happened this weekend while One Direction was performing, we decided to count down the clumsiest celebrities of all time (and yes, some of the 1D guys made the list).

Click through to see who we deemed the clumsiest star ever, then let us know if you agree in the comments below. Which stars do YOU think are the biggest klutzes?

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