Her first big song, "808s and Motivation," was originally released on November 21, 2018.
The music video for the song "808s and Motivation" was watched more than 3 million times.
Her mother and her two sisters helped in making the MattyB music video. She has sisters named AJ, Addison and Abi; they came to be known as The Davis Sisters on their YouTube channel.
She and Gracie Haschak have both been featured on MattyB songs.