Gwen Stefani Kisses Blake Shelton In Adorable Birthday Tribute: ‘Lucky Me’

And one to grow on! Gwen Stefani gives Blake Shelton a sweet smooch for his big day! The music superstar celebrated her longtime beau’s 44th birthday on June 18 with a cute selfie, planting a kiss on Blake’s cheek and paying him tribute in a heartfelt caption, thanking the country crooner for being her “best friend.” Blake isn’t just getting some birthday affection – he’s giving it, too! The country star puckered up to wish Gwen’s oldest son Kingston a happy 14th in May, and proud mom Gwen couldn’t help documenting the adorable moment on Instagram.