Tim McGraw shared a sweet message for his wife Faith Hill on Thursday for her birthday.
In an Instagram post that included a photo of Hill, McGraw called her the "love of my life," as well as his "partner" and "best friend."
"You light up every room you walk into and you light up my heart and soul," he wrote in the caption. "I love you more than I could ever express in a million years."
MORE: Tim McGraw attends ACM Honors with wife Faith Hill, daughters Audrey, Maggie: See the photos"This is your day my love!!!!" he added.
MORE: Tim McGraw talks dream collaborators and if his entire family would ever record an album togetherThe couple have been married since October 1996 and share three children, daughters Gracie, 26, Maggie, 25, and Audrey, 21.
Audrey commented on McGraw's post Thursday, calling her mom "the most beautiful. Inside and outside."