Gwen Stefani Surprises Audience, Sings 'Hollaback Girl' with Pharrell at Hollywood Bowl - Watch Now!
Gwen Stefani exits through the backdoor at the Hollywood Bowl after making a surprise appearance on stage during the Bruno Mars concert with Pharrell Williams on Saturday evening (May 31) in Hollywood.
The day before, Gwen visited her acupuncturist for a quick visit and tune up.
FYI: Gwen is wearing Paige Denim overalls on both days.
15+ pictures inside of Gwen Stefani at the Hollywood Bowl…