Late Wednesday, series regular Neil Patrick Harris Tweeted the first image of Carrie Underwood on the set of How I Met Your Mother. The country star will make her sitcom debut on the popular CBS comedy in March. The recently-engaged Underwood is snapped beaming as she sports a beehive and a retro ’60s flight attendant uniform.

“This week’s awesome guest star: . HIMYM – You’ll Love The Way We Fly!” Neil’s caption reads.