Meghan Trainor has been setting the tone around the world with her empowering hit single “All About That Bass”;, but the young artist admits that the song was created rather quickly. “It was just another songwriting session,” Trainor tells ET Canada. “But the song came out in an hour.” The singer says that the tune is an important testament to having confidence in yourself. “Sass and girl power and loving yourself, self-acceptance is huge for me,” says the 20-year-old. “All About That Bass”; has peaked at #1 on the Billboard Hot 100 chart, as well as international charts.