She has never been one to be shy about showing off her banging body.And Fergie was clearly in an extroverted mood last night as she took to the stage at the iHeart Radio Music Festival in Las Vegas.The toned and tanned singer, fresh from a vacation in Miami last week, showed off her enviable pins as she rocked out with the Black Eyed Peas at the action packed music event held at the MGM Grand Garden Arena.
