Adele – 21
Before 2011, Adele was a little-known British artist thriving on only a hipster buzz. But thanks to her monstrous hit single, “Rolling In The Deep,” her critically-acclaimed sophomore album, 21, debuted atop the Billboard chart with sales of 352,000 copies. The album went on to spend 23 non-consecutive weeks atop the chart, and has sold 9 million units in the U.S. and 22 million units worldwide.
