Liam Payne: “Strip That Down” feat.
By shifting his sound and lyrics, Payne was able to reach a more mature and growing audience.
“Strip That Down” ended up hitting No.

Credit: Kevin Mazur/WireImage
With “Falling,” he offers up the prettiest track ever written about self-loathing.
Harry Styles: “Kiwi”
Unlike the message of thisenduring meme, Stylesdoeshave the range.
This track about Styles' dalliance with an unnamed girl was equal parts sexy and tongue-in-cheek.
The lyrics tell a charming tale of Horan meeting a new woman and probably hoping for a one-night stand.
“Ruth Kinane
6.
On “Watermelon Sugar,” Styles welcomes us with a wistful acoustic wind.
Don’t let your mind wander too long about what Styles is actually lusting over.O.S.
The thump of the bass paired with his dreamy falsetto gives a needed electric jolt to listeners.
Marcus Jones
3.
Niall Horan: “Slow Hands”
Niall Horan is by far the biggest solo surprise of the bunch.
The group’s token blonde has always had undeniable talent but was mostly positioned as a supporting character.
M.J.
2.
It proved his range, vocally and as a songwriter.
Apparently, there was way more going on behind those soulful doe eyes.