Meghan Trainor's debut single "All About That Bass" is in its second week holding the number one spot on the Digital Downloads with a total of 239,000 copies sold in a week, Music Times reported.

Currently at number two on the Billboard Hot 100, "All About Bass" was released by Epic Records in June 2014. It was co-written by 20-year-old singer and songwriter Trainor with Kevin Kadish, who is one of its producers.

Following "All About That Bass" on the Digital Downloads is Ariana Grande, Nicki Minaj and Jessie J's "Bang Bang" at number two with 131,000 copies sold. The previous week's number two "Anaconda" by Minaj is no longer in the top ten list.

At number three is Iggy Azalea's "Black Widow" featuring Rita Ora with 125,000 downloads.

With 105,000 downloads, Sam Smith's "Stay With Me" is at number five.

Grande is at number four with "Break Free" featuring Zedd and at number six with "Best Mistake" featuring Big Sean making her the first female artist to have three singles simultaneously in the top six list of the Digital Downloads.

At number seven with 104,000 downloads is MAGIC!'s "Rude," which is currently the number one song on the Billboard Hot 100.

Meanwhile, Trainor's "All About That Bass" has recently performed by the renowned duo Black Simon & Garfunkel on Jimmy Fallon's talk show "The Tonight Show."

From their box sex titled "Box Set," Black Simon & Garfunkel's cover also features some flashes of S&G's "The Boxer" in the end after a run-through of Trainor's debut single.

Other songs performed by Black Simon & Garfunkel in the past are Katy Perry's "Roar" and Daft Punk's "Get Lucky," Billboard reported.

Watch Black Simon & Garfunkel perform Meghan Trainor's "All About That Bass" here:

As a songwriter, the "All About That Bass" hit maker has written songs for several artists, including Rascal Flatts, according to The Wire.

Aside from the Billboard Digital Songs chart, Trainor has been also topping the Spotify streaming chart and the iTunes singles chart.