5. [lastfm link_type="artist_info"]Beyonce[/lastfm]

Photo by Larry Bussaca//Getty Images

[Photo Gallery] Beyonce Performing At The 2011 Billboard Music Awards Ceremonyview gallery

Whenever we laugh at this video, it makes us feel so guilty because a) we’ve fallen down stairs like that and b) we know how much it hurts. It apparently knocks some diva into Beyonce because she just gets up and starts whipping her hair back ‘n forth.

Good on you, girl.