Gwen Stefani You Can Holla At My Back Anytime, Blake

0207-gwen-stefani-blake-shelton-backside-checkout-SPLASH-01Blake Shelton dropped his girl, Gwen, off at the park Saturday ... and he sure was enjoying the view.

Gwen and Blake made a pit stop at a park with her kids before heading to her son Zuma's soccer game. Blake looked longingly from the car. 

Four months and counting.