Gwen Stefani: Trick-or-Treating with Zuma!

Gwen Stefani flashes a smile while taking her adorable son Zuma trick-or-treating on Wednesday (October 31) in London, England.

Earlier in the day, the 43-year-old No Doubt frontwoman’s band mate Tom Dumont posted a picture and tweeted, “A wounded gang of T-birds in London, happy Halloween everyone! @nodoubt.”

PHOTOS: Check out the latest pics of Gwen Stefani

That night, Gwen and No Doubt band members Tom and Tony Kanal celebrate Halloween at Jonathan Ross’s Halloween Party.

The day before, Gwen was spotted with Zuma at the airport in Los Angeles.

No Doubt recently joined a growing group of celebrities on Instagram, so make sure to follow them @nodoubt.

FYI: Gwen is wearing Quayeyeware Australia‘s 1518 sunglasses in pink!

10+ pictures inside of Gwen Stefani celebrating Halloween…