She shared the news with a "Labor" Day tweet.
In the music video for "Somethin' Bad."
Husbands: just around to brighten your outfit.
Jason Derulo? Is that you?
Beyoncé, sadly, was nowhere to be found.
Gwyneth Paltrow! Lupita Nyong'o! Tracy Morgan?
Carrie Underwood was the first famous face to show up.
Laura Benanti's pantsuit, Carrie Underwood's acting, and those swastikas.
It's based on the original Broadway show, which was changed for Julie Andrews's version.
These are a few of our favorite songs.
"I do hope it works for Carrie, because she's lovely and I'm a fan."
The battle of the poufs.
In 2013, women in country are more marginal than at any time in recent memory.
She performed the newest Sunday Night Football theme song.