Gwen Stefani: Thanks for Buying Our Single!

Gwen Stefani is back in black as she steps out to visit a friend’s house on Friday (August 10) in Hollywood.

The 42-year-old No Doubt rocker was on vacation with her family in Florida earlier this week.

PHOTOS: Check out the latest pics of Gwen Stefani

No Doubt has been promoting its single “Settle Down” off the band’s upcoming album Push and Shove. Gwen recently tweeted her appreciation to her fans: “Thanks to everyone who bought the new single!!! Thinking bout u gx.”

10+ pics inside of Gwen Stefani visiting a friend…