Kane Brown can officially add boy dad to his resume. Kane and wife Katelyn welcomed their first son, Krewe, on Tuesday, June 16th. “Krewe Allen Brown 6.18,” the couple captions their joint post. In a collection of photos, the couple pose together and individually with their new son. The end of the post focuses on little Krewe’s newborn feet. Baby Krewe is adding to the K names. The country star and his wife already have two daughters Kingsley and Kodi. Prior to the birth announcement, Katelyn shared a photo of her posed beside her two daughters, belly bump out. “Your girls are waiting little m…