Spears reinforced her bad-girl persona with an ode to nightclubs and hot boys. By Jocelyn Vena Britney Spears’ Femme Fatale Photo: Jive To say that 2011 was an outstanding year for pop is a bit of an understatement. Rihanna wanted her fans to Talk That Talk, Lady Gaga was Born This Way, Demi Lovato declared herself Unbroken, and Beyonc
