 The album received generally favourable reviews from contemporary music critics , many of whom appreciated the album 's combination of melodic song craft and catchy , pop @-@ oriented material that , while slickly produced , avoided the commercial cynicism and adult contemporary posturing of some of their ' 80s and ' 90s forebears . An international success , the album topped the charts in sixteen countries and , by December 2012 , has sold over 4 @.@ 5 million copies worldwide . The album bowed at number two on the UK Albums Chart and ultimately became the UK 's fastest @-@ selling debut album of 2011 . Up All Night debuted to number one on the United States Billboard 200 , selling 176 @,@ 000 copies in its first week . According to the International Federation of the Phonographic Industry ( IFPI ) , Up All Night was the third global best @-@ selling album of 2012 with sales of 4 @.@ 5 million copies . 
