Gaga also came in at #4 with 'The Fame' which has sold 1,053,000 digital downloads, with the other 3.5 million US sales coming from physical copies. '21' by Adele is the best selling digital album in US history, with more than 3 million of it's sales coming from digital downloads in the US alone. Lady Gaga and Taylor Swift are the only two artists to feature twice in the Top 10.