The 20-year-old music sensation was there to perform her number one hit song “All About That Bass” for the crowd alongside Miranda.
While she was not eligible for awards at the CMAs, Meghan is campaigning for a different award at the moment.
“Vote for me??? Every RT counts as a vote!! Meghan Trainor New Artist Of The Year #AMAs,” Meghan tweeted that night.
Miranda Lambert Sings with Meghan Trainor at CMA Awards 2014!