Meghan Trainor Hopes Her 'Megatronz' Are Watching The Grammys

Meghan Trainor shows off her legs in a sheer gown at the 2015 Grammy Awards held at the Staples Center on Sunday (February 8) in Los Angeles.

The 21-year-old “All About That Bass” singer is up for Record of the Year and Song of the Year at the awards tonight. Good luck, Meghan!

PHOTOS: Check out the latest pics of Meghan Trainor

“Hereeeee we goooo!! @TheGRAMMYs are about to start ❤️�’��’��’� Hope my Megatronzzzz are watching!!” Meghan tweeted out just as the show started.

Make sure to watch the 2015 Grammys, hosted by LL Cool J for the fourth straight year, live on CBS starting at 8/7c!

FYI: Meghan is wearing Galia Lahav.