Entertainment Music Country Blake Shelton 'Has Been Faithful' to Miranda Lambert, Says Source "Blake was just that incredibly dedicated husband," a source tells PEOPLE By Melody Chiu Melody Chiu Instagram Twitter Melody Chiu is a Senior Editor for PEOPLE. She has been with the brand since 2009, editing, writing and reporting across all entertainment verticals. She oversees PEOPLE's music and events coverage and has written cover stories on Taylor Swift, Selena Gomez, Melissa McCarthy, Blake Shelton and Sandra Oh. The Los Angeles native graduated from the University of Southern California and has appeared on Extra!, The Talk, Access Hollywood and Good Morning America. People Editorial Guidelines Published on July 20, 2015 05:20 PM Share Tweet Pin Email Photo: Rick Diamond/Getty After 10 years together, country superstars Blake Shelton and Miranda Lambert are calling it quits. Subscribe now for an inside look into their shocking split, only in PEOPLE. Blake Shelton has been dogged by cheating rumors since he and Miranda Lambert wed four years ago, but a source tells PEOPLE the country singer has never strayed in his marriage. “Blake is just that incredibly loyal and dedicated husband,” says the Shelton source. “I can guarantee you he has been faithful to that woman.” Over the years, The Voice coach has been linked in the tabloids to various contestants from the NBC reality show, but “he hasn’t cheated ever,” says the source. 7 Reasons We Loved Blake Shelton & Miranda Lambert Together The beloved country couple announced Monday their decision to divorce. “This is not the future we envisioned,” the pair said in a statement. “And it is with heavy hearts that we move forward separately. We are real people, with real lives, with real families, friends and colleagues. Therefore, we kindly ask for privacy and compassion concerning this very personal matter.” Blake Shelton & Miranda Lambert’s Sweet & Saucy Tweets Shelton, 39, and Lambert, 31, tied the knot in Texas in 2011, after dating for six years. Don’t miss a beat of country music news, photos and videos! Click here to get all this and more in the PEOPLE Country Newsletter.