It's Sept. 4, and you k**w what That means: time to celebrate Beyoncé's birthday. A Bey-day celebration, if you will. Beyoncé has already proven time and time again That she k**ws how to be fierce; even, apparently, in the bedroom. That said, in the wake of her incredible performance at the VMAs, we thought it was high time to praise one of the other brilliant facets of Beyoncé: her flawless dancing. Because, let's be real: being fierce is great and all, but dancing fierce brings everything to a**ther level. Keep scrolling, and be warned: there are going to be quite a few of Bey's signature hair flips.