Justin Bieber scores fifth No. 1 album with "Believe Acoustic" Justin Bieber notched his fifth No. 1 album on album chart this week with "Believe Acoustic," which sold 211,000 copies in its first week, reports Billboard, citing Nielsen SoundScan figures. It also means Bieber -- at 18 years old - is the youngest music artist have scored five No. 1 albums before turning 19. Bieber tweeted about the news: "Believe Acoustic" features eight stripped-down songs from Bieber's 2012 "Believe" album, along three new tracks, including "Nothing Like Us," a song inspired by his ex, Selena Gomez. Justin Bieber The Canadian singer's previous No. 1 sets are "My World 2.0" (2010), "Never Say Never: The Remixes" (2011), "Under the Mistletoe" (2011) and "Believe" (2012). As for the rest of the chart, Andrea Bocelli landed in second place with "Passione," and No. 2., and Tegan and Sara came in at No. 3 with "Heartthrob."