Adele released her second studio album, 21, in early 2011. The album was well received critically and surpassed the success of her debut, earning the singer numerous awards in 2012, including a record-tying six Grammy Awards, including Album of the Year; two Brit Awards, including British Album of the Year, and three American Music Awards. The album has been certified 16 times platinum in the UK, and is the fourth best-selling album in the UK of all time. In the US it has held the top position longer than any album since 1985, and is certified Diamond. The album has sold 31 million copies worldwide.
In November 2015, Adele’s 2016 tour was announced, her first tour since 2011. Beginning in Europe, Adele Live 2016 includes four dates at the Manchester Arena in March, eight dates at the O2 Arena, London in March and April, with further dates in Ireland, Spain, Germany, Italy and the Netherlands among others. Her North American Tour which begins in July, includes six dates at Staples Center, Los Angeles in August, six dates at Madison Square Garden, New York in September, four dates at Air Canada Centre, Toronto in October, and two dates at Palacio de los Deportes, Mexico City in November. While on stage at London’s O2 Arena on 17 March, Adele announced that she would be headlining on the Pyramid Stage at the 2016 Glastonbury Festival; the festival’s organizers later confirmed she would be appearing there.