KATY PERRY SAYS "T.G.I.F."

1) For the fanatic in you. OPI offers a line of polishes branded and endorsed by Katy Perry (the "Kary Perry Collection") and Serena Williams ("Serena Williams Grand Slam"), which also been hugely popular in addition to due to their name, but the products and color blends. You can wear OPI polishes with confidence - leading salons use them for mani