#1 Girl is the debut studio album by American boy band Mindless Behavior, released on September 20, 2011. The album debuted at number seven on the US Billboard 200 with 36,000 copies sold in its first week. To date, they have sold over 290,000 copies, and spinning off sales of more than 5.5 million ringtones and 845,000 singles while racking up over 160 million views on YouTube.