Gwen Stefani: Mixing Tracks for New Album!

Gwen Stefani gives a little smile as she heads into a friend’s house on Wednesday (May 23) in Los Angeles.

The 42-year-old fashionista and lead singer of No Doubt rocked a sweet suede fedora.

PHOTOS: Check out the latest pics of Gwen Stefani

No Doubt has been mixing tracks for their upcoming album. They posted an update to their Twitter account: “@nodoubt just did a car test of the Mark ‘Spike’ Stent ‘Looking Hot’ mix right now. sounds incredible! lunch and then onto mixing ‘Heaven’!”

No Doubt‘s new album drops September 25.