Watch Meghan Trainor Perform ‘Dear Future Husband’ at 2015 iHeart Music Awards

Decked out in a figure-hugging sailor outfit, Meghan Trainor delighted the 2015 iHeartRadio Music Awards audience with a live performance of her latest single "Dear Future Husband." Meghan was just one of a seeming endless list of stars to take the stage at the Shrine Auditorium in Los Angeles Sunday night (March 29). Watch her dazzling set in the video above!

The 21-year-old singer, who rocketed up the charts with her first breakout single "All About That Bass," was nominated for Best New Artist, Song of the Year and the Renegade Award.

Earlier this month, Trainor was named Breakthrough Artist of the Year by the Music Business Association. She's also signed on to consult on a curvy-girl clothing line with fashion brand FullBeaty.

See the Best Dressed Celebs at the 2015 iHeartRadio Music Awards