A very happy birthday was in store for Brown as she welcomed her 21st year of life in a stunning emerald green top.

Makeup artist Michael Anthony also mirrored the cherry blossom's petal-pink hue on Grande's cheeks. Per his Instagram ...

As if we needed any more evidence that Christina Aguilera is thee experimental hair muse of our generation (read: she is the ...

What better way to celebrate Rihanna than by highlighting the many times she's wowed us with her trendsetting hair.