Nicole Scherzinger has had a major image overhaul! The singer stunned fans on Sunday when she took to Instagram to share off a brand new look.MORE: Nicole Scherzinger looks red hot in jaw-dropping top for Valentine's DayNicole, 43, posted a transformation video that began with the bare-faced star wrapped in a towel and pulling on her long brunette hair.WATCH: Nicole Scherzinger looks so different after major transformation!She then winks at the camera and the screen changes to show Nicole with a chic bob, curled into loose waves, made all the more glamorous by her choice of red lipstick. "This is your sign to try out a new hairstyle," Nicole captioned the clip, tagging her hairdresser, @dimitrishair.READ: Nicole Scherzinger's bikini body is incredible - here are her fitness secretsMORE: Thom Evans gets fans talking with baby photosFans rushed to comment on her stylish look – although some admitted they were confused by the video.