The couple hit up the Academy of Country Music Awards together Sunday night, walking the step-and-repeat and posing for pictures before making their way inside.
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Last month, a source told PEOPLE, Lambert “is extremely happy and content with how her life is proceeding,” post-split. “She’s having a great time living and working within a creative community.”
Hours after the couple’s red carpet debut, Lambert picked up an ACM award for female vocalist of the year.