Gwen Stefani and Blake Shelton, Zuma, Kingston and Apollo Rossdale head out for a fun day at Knott's Berry Farm to celebrate Kingston's birthday . The happy family were seen enjoying many of the thrill rides including the water rides, rollercoasters and a couple of kid rides. They were also seen munching on popcorn as they made their way through the park. Gwen and Blake held hands and looked very happy together ***SPECIAL INSTRUCTIONS*** Please pixelate children's faces before publication.***. 19 May 2019 Pictured: Gwen Stefani and Blake Shelton. Photo credit: Snorlax / MEGA TheMegaAgency.com +1 888 505 6342