25 was released in 2013.
25 (Adele album) . 25 eventually became the world 's best-selling album of 2015 with 17.4 million copies sold within the year , and has sold 20 million copies as of June 2016 , making it one of the best selling albums worldwide . The album then won the 2017 Grammy Awards for Album of the Year , and Best Pop Vocal Album . 59th Annual Grammy Awards . The ceremony recognized the best recordings , compositions , and artists of the eligibility year , which runs from October 1 , 2015 to September 30 , 2016 . Hello (Adele song) . It was released on 23 October 2015 by XL Recordings as the lead single from her third studio album , 25 ( 2015 ) .