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.