Miranda Lambert was feeling incredibly thankful on Friday as she shared a tribute to someone very special in her life. The star shared some heartfelt words for her friend and manager, Marion Kraft, and revealed she'd been working with her for two decades!MORE: Miranda Lambert introduces adorable new family memberMiranda took to Instagram with Billboard photos alongside Marion and wrote: "I'm so proud of you @MarionKraft for being named @Billboard Executive of the Year. You are a blessing in my life and an amazing manager and friend. WATCH: Miranda Lambert shows off her impressive dance moves"We've been together almost two decades and done so much together.