American singer-songwriter Gwen Stefani steps out with her four-year-old son, Kingston, as they go to a nail salon together in New York City’s Chelsea on Friday, September 10. The 41-year-old artist made an appearance at the Soho Sephora store on Friday as part of the store’s celebration of Fashion’s Night Out!

Also, other celebs involved in the fun included supermodel Josie Maran and Kat Von D. Both met fans at the 5th Avenue Sephora boutique. Yesterday, Stefani and husband Gavin Rossdale took their little guys to the Intrepid Sea, Air and Space Museum.

Enjoy the pictures of Gwen Stefani and Kingston out in NYC, Friday, September 10.

Gwen Stefani spends the day out with her Kids, Kingston and Zuma, at The Grove in Los Angeles, California. The 40-year-old rockstar and her sons were out shopping when they stopped to catch a free outdoor show for Kids! On Wednesday, Gwen and husband Gavin Rossdale took their little ones out for a day of fun at Disneyland.

Although yesterday was all about the boys, Gwen and Gavin apparently made time for Gavin’s daughter, who was in Southern California with her boyfriend Dr. Who star Matt Smith for Coachella. Gavin recently announced that his band Bush, is reuniting and debuting a new album in October.