How adorbs is this!

TV cutie Neil Patrick Harris posted this pic on his Twitter page of country music singer Carrie Underwood on the set of How I Met Your Mother...

NPH wrote: "This week's awesome guest star. HIMYM - You'll Love The Way We Fly!"

Carrie will play a pharmaceutical rep but, now that we see the picture, she looks more like a bubbly flight attendant!

Either way, can't wait to see her acting skillz!