Sophia Grace debuted with her solo single "Girls Just Gotta Have Fun" in 2013, followed by the single "Best Friends" in 2015, which charted on the Billboard Hot 100. The music videos for each single appear on her official YouTube channel. As of May 2018, "Girls Just Gotta Have Fun" has more than 200 million views. After signing a recording deal with Capitol Records France, she released her third single "Girl in the Mirror" on iTunes on 9 June 2016 featuring rapper Silentó, along with its accompanying music video.