Working on some new tunes, Gwen Stefani made her way into a studio in Hollywood, California on Friday (August 24).

The "Hollaback Girl" songstress gave cameras a sexy stare down as she strutted into the building in black Christian Louboutin heels which she paired with a white graphic tee-shirt and baggy pants.

Looking forward to a strong musical comeback, Gwen took to Twitter earlier this week to tell her fans, "Morning peeps gonna run the set today Can't wait for I heart radio show gx."

Miss Stefani and her No Doubt band mates will be taking the stage along with several other artist to perform at the iHeartRadio Music Festival in Las Vegas, Nevada on Septemb er 21st and 22nd.

Enjoy the pictures of Gwen Stefani heading to the studio (August 24).