The day before, the 43-year-old No Doubt frontwoman and her four-year-old son, who rocked a Transformers costume, were seen holding hands while walking in Noho.
Earlier in the week, Gwen, Zuma, and her oldest son Kingston, 6, had some fun together while making customized pottery at Color Me Mine.
Also pictured: Gwen grabbing lunch with Kingston and Zuma at Chuck E. Cheese on Saturday (May 11) in Burbank, Calif.
40+ pictures inside of Gwen Stefani bonding with Zuma and Kingston… More Here! »