Rihanna has been dominating the fashion world lately, and in celebration of her 27th birthday today, we're here to give you the lowdown on some of her latest looks. Recently, the German sportswear brand Puma appointed Rihanna Brand Ambassador and Creative Director for their women's training division. The singer has been given the opportunity as a global figure to create and design apparel, footwear, and accessories for the brand. Who better than RiRi? Take a look at how Rihanna has been styling her Puma apparel (and don't forget to Tweet her a #HBD!).

[Photo via @bae.rihanna]