"What Do You Mean?" is a song by Canadian singer Justin Bieber, and the lead single from his forthcoming fourth studio album (2015). The song was announced on July 28, 2015 on On Air with Ryan Seacrest. The song debuted atop the Billboard Hot 100 with 337,000 downloads sold in its first week, becoming Bieber's first number one hit in the U.S. and the 23rd song in the chart's history to open at number one.