"All About That Bass" is the debut single by American recording artist Meghan Trainor. It was released by Epic Records in June 2014 and was co-written by Meghan Trainor and Kevin Kadish. Musically, "All About That Bass" is a pop and doo wop song that contains lyrics of body positive themes.
The song was positively received by critics who praised the catchy beat, lyrics, and message. The song has become a commercial success, peaking at number one on the Billboard Hot 100 and becoming her first hit single on the chart. Internationally, it has topped the charts in Australia, Austria, Canada, Croatia, Denmark, Germany, Iceland, Luxembourg, Mexico, New Zealand, the Republic of Ireland, Poland, Switzerland and the United Kingdom, and peaked within the top ten of the charts in other countries.