Gwen Stefani is officially the coolest mom in Hollywood. The 46-year-old singer embarked on a country celebration for her eldest son's 10th birthday. Best of all, the Snapchat queen let us all on in on the festivities — 10 seconds at a time.To celebrate Kingston's milestone birthday, Stefani and her beau, Blake Shelton, returned to his country roots. They decked out the 10-year-old out in camouflage gear and took him camping, hiking, fishing, and for dune buggy rides. Kingston even got to ride on a helicopter and catch a frog with his superstar mom, according to Us Weekly