Gwen Stefani's New Song 'Spark the Fire' Gets Played By Pharrell Williams - Watch Now!

Gwen Stefani covers up her hair with a beanie while stepping out for a routine acupuncture appointment on Monday (November 10) in Los Angeles.

Later in the day, the 45-year-old entertainer was all glammed up for the first live show of the seventh season of The Voice.

PHOTOS: Check out the latest pics of Gwen Stefani

“Wow. @Pharrell just let 🐈 out of the �’� #SparkTheFire �”�😍�”�,” Gwen recently tweeted about her collaboration with Pharrell Williams. Watch the video below!

FYI: Gwen is wearing a Dsquared2 jacket and denim pants with EFFY Jewelry bangle.

10+ pictures inside of Gwen Stefani heading to an acupuncture appointment…