"As Long as You Love Me" is a song by Canadian recording artist Justin Bieber, from his third studio album, Believe (2012). The track features American rapper Big Sean. It was written by both artists with Nasri Atweh, and was produced by Rodney "Darkchild" Jerkins and Andre Lindal. It was first released on June 11, 2012, as a promotional single from the album, and one month later it was released as the album's second single.

The song has since charted in the United Kingdom, first at number thirty as a promotional single with first-week sales of 11,598, and then after being released as a single it improved its position on the UK Singles Chart, reaching number 22. On Billboard's Rhythmic Airplay Chart, the single reached number one, giving Bieber his first number one single on an American airplay music chart. It peaked at number six on the Billboard Hot 100.

It also reached the number one position on Billboard's Dance/Mix Show Airplay chart, making Bieber the fifth Canadian artist to reach that position after Martin Solveig featuring Dragonette's "Hello" in 2011. The song has sold 2,240,000 copies in the US as December 2012. The music video features actor Michael Madsen.

In late 2011, Bieber confirmed to radio network Capital FM that he was recording material for his third studio album, which was originally going to be released in early 2012. He later spoke to MTV News and revealed that Believe would surprise people in different ways, since it musically is a departure from his previous works. While Bieber has said that he wants his next release to recall Justin Timberlake's Future Sex/Love Sounds sonically, in an interview with V magazine, he noted that what he'll be singing is a bit more PG than the topics Timberlake covered on that album.

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