weeks. Adele followed with four #1 singles at her name spending 24 weeks at the top. Kesha earned three #1 singles in this decade, spending 13 weeks at the top of the Billboard Hot 100. Among all those songs who reached #1 singles this decade "", "Rolling in the Deep", "Just the Way You Are", "Poker Face", "Shake It Off", and "Dark Horse" were some of the best-selling singles in the digital era. Taylor Swift and Adele had some of the biggest-selling albums of the 2010s, being the only two artists to have sold more than a million copies of an album in a week, multiple times. Swift became the first artist in history to have four albums debut on the Billboard 200 with each selling over 1 million copies; they are: Speak Now (2010), Red (2012), 1989 (2014) and Reputation (2017); with Lover (2019), Swift became the first female artist to debut six albums on the chart, each opening with more than 500,000 copies. The American Music Awards crowned Swift as the Artist of the Decade, while Billboard named her the Woman of the Decade. In this decade, Swift and Beyoncé became the only two female acts in history to achieve six consecutive number-one debuts on the Billboard 200 chart; Swift did it with Fearless (2008), Speak Now, Red, 1989, Reputation and Lover, while Beyoncé with Dangerously in Love (2003), B'Day (2006), I Am... Sasha Fierce (2008), 4 (2011), Beyoncé (2013) and Lemonade (2016). Madonna became the first artist to achieve 50 number-one songs on any Billboard chart, in the Dance Club Songs chart, pulling ahead of runner-up, George Strait, who has 44 number-one songs on the Hot Country Songs chart. Comebacks were also made in the pop industry with acts such as the Backstreet Boys whose album DNA topped the Billboard Charts the week it was released. Rock Rock had remained popular in the 2010s, despite having declined in chart presence since the late 2000s alongside changes in radio format. These changes were driven by the decline in compact discs and rise of downloads in the music industry, which prompted a focus on top 40 music. Rock had also moved from hard rock and heavy metal, which had dominated since the mid-1980s. Mainstream rock since the early 2010s had become softer and more refined because of indie rock. Rock was reportedly still the most widely consumed genre in