Britney Spears Zone" and "Blackout". She has also experimented with genres such as dubstep, first on "Blackout"'s "Freakshow" and again on "Hold It Against Me" from "Femme Fatale". Spears' music also has been described as Spears is a soprano. Prior to her breakthrough success, she is described as having sung "much deeper than her highly recognizable trademark voice of today", with Eric Foster White, who worked with Spears for her debut album "...Baby One More Time", being cited as "[shaping] her voice over the course of a month" upon being signed to Jive Records "to where it is today—distinctively, unmistakably Britney". Rami
Britney Spears Britain" that she had extended her contract with The AXIS and Planet Hollywood Resort & Casino, to continue Britney: Piece of Me for two additional years. In March 2015, it was confirmed by "People" magazine that Spears would release a new single, "Pretty Girls", with Iggy Azalea, on May 4, 2015. The song debuted and peaked at number 29 on the "Billboard" Hot 100 and charted moderately in international territories. Spears and Azalea performed the track live at the 2015 Billboard Music Awards from The AXIS, the home of Spears's residency, to positive critical response. "Entertainment Weekly" praised the performance,