Blake Shelton and Gwen Stefani made it family day at Knotts Berry Farm Sunday. Stefani three sons Kingston 12, Zuma 10, and Apollo 5 joined the couple for the day of fun at the amusement park. It seems the outing was a pre-birthday outing for stefani's son Kingston will be turning 13. The group seem to have a fun day at the amusement park, the couple even rode the water rides with the kids!
(Thumbnail Photo by Ethan Miller/Getty Images)