Justin Drew Bieber ( BEE-bər; born March 1, 1994) is a Canadian singer. Regarded as a prominent figure in contemporary popular music, he rose to fame in the late 2000s with his debut extended play, My World (2009), receiving international recognition and establishing him as a teen idol. Bieber rose to further fame with his debut album, My World 2.0 (2010), which topped the US Billboard 200 — making him the youngest solo male to do so in 47 years. Its lead single, "Baby" (featuring Ludacris), became one of the best selling singles in the United States, while its accompanying music video became the most disliked video on YouTube. His second album, Under the Mistletoe (2011), became the first Christmas album by a male artist to debut atop chart. Bieber explored dance-pop on his third album, Believe (2012); its acoustic re-release made him the first artist in Billboard history to have five US number-one albums by the age of 18. Bieber explored EDM with his 2015 single "Where Are Ü Now", which won the Grammy Award for Best Dance/Electronic Recording. Bieber's fourth album, Purpose (2015), yielded the US Billboard Hot 100 number-ones "Love Yourself", "Sorry", and "What Do You Mean?". The songs monopolized the top three of the UK singles chart, making Bieber the first person to do so. Two of his 2017 guest appearances—on DJ Khaled's "I'm the One" and Luis Fonsi's "Despacito"—reached number one in the US, with the latter tying the then-record for the longest-running number-one song...