One Direction Songs: Which Is No.1 On The Top 20 Biggest Selling List?

10. Rock Me.

Just scraping into the Top 10 is 'Rock Me'. You know, Rock Me? Sure you know Rock Me, it was on One Direction's second studio album. Written again by a flurry of songwriters including Peter Svensson, Sam Hollander, Lukasz Gottwald, Henry Walter and Allan Grigg, production was handled by Dr Luke - who recently worked on Britney Spears' new record. Its riff bears a likeness to Queen's 1977 single We Will Rock You. It really does. Yep, some of the lyrics are just excruciating and the track wasn't a massive hit chart-wise, peaking at No.98 on the Billboard Hot 100.

9. More Than This

Another curious little selection on the Top 10. 'More Than This' is the fourth single to be taken from the band's debut album and was produced by Brian Rawling and Paul Meehan and composed by Jamie Scott. It's backed by synthesizers..and, well there's not much else to say. It only charted in Australia and Norway, though fans were too busy gobbling One Direction tickets for the big One Direction tour anyway. Intriguingly, it features an acoustic guitar riff similar to that of Cheryl Cole's 2011 single The Flood. Hmmm, a little bit of pop poaching perhaps? Anyway, it's almost indie in its sensibilities. It's quote good really.

Watch One Direction performing More Than This.

8. Gotta Be You

Ahh, it's 'Gotta Be You.' The weepy song. Harry Styles features prominently in this one. He broke hearts with this one. The single once again peaked at No.3 in Ireland the United Kingdom, marking the band's second top ten appearance in both countries (oh how far they've come since then). Interestingly, it peaked at No.24 on the Bubbling Under Hot 100 Singles in the U.S as the group began to turn the screw stateside. The song unsurprisingly became a fan-favourite during One Direction's first headline tour, being performed to slow down the pace after the initial burst.

Watch the video for Gotta Be You.

7. One Thing

In at No.7 is 'One Thing' - again, not one of One Direction's finest moments but clearly popular enough to make the Top 10. Taken from the band's debut studio album Up All Night, it was written by Savan Kotecha and its producers Carl Falk and Rami Yacoub, initially as an upbeat pop rock number. The song actually dates back to the very early days of the band. After being signed to Syco music and completing the X-Factor tour, the band began working on their debut album. Falk and Yacoub had three songs almost immediately, 'What Makes You Beautiful,' 'I Wish' and 'One Thing,' the latter of which was initially written as two separate songs. Listen hard enough and you can probably understand why.

Watch the video for One Thing.

6. Best Song Ever

Ok so we hate the title. Everyone hates the title. One Direction fans hate the title, but One Direction's 'Best Song Ever' sits comfortably inside the group's Top 10 selling tracks on Amazon. The lead single off the group's third studio album Midnight Memories, it was written by a different group of music scribes, Wayne Hector, John Ryan, Julian Bunetta and Ed Drewett. It's fluffy, it's fun, it's certainly not the best song ever, but it's fine. Just fine. It did particularly well after being included in the trailer for the band's smash hit movie This Is Us.