Gwen Stefani appears to be turning back the hands of time as she performs her brand new show in Sin City.The No Doubt singer, 52, has just kicked off her new Las Vegas residency and she looks amazing. SEE: Gwen Stefani's rare throwback of Blake Shelton will leave you in disbeliefGwen shared several glamorous selfies on Instagram in which she wore bold, red lipstick, huge eyelashes and a fashionable full brow. She captioned the snapshot: "Pre-show make up game! #vegas gx."WATCH: Gwen Stefani