when was the song released ?
2011
What Makes You Beautiful
 It served as their debut single and lead single from their debut studio album, "Up All Night" (2011). 
who sings what in what makes you beautiful The band - One Direction who are the members of this band ? Niall Horan, Liam Payne, Harry Styles and Louis Tomlinson. Zayn Malik was a former member. was the above mentioned song performed live ? Yes, a number of times. who composed the song ? It was written by Savan Kotecha and Carl Falk, instrumentation was done by Rami Yacoub and Carl Falk and Serban Ghenea handled the audio mixing.
wiki:856482
What Makes You Beautiful [SEP] Introduction
"What Makes You Beautiful" is a song by English-Irish boy band One Direction. It served as their debut single and lead single from their debut studio album, "Up All Night" (2011). Written by Savan Kotecha and producer Rami Yacoub, the song was released by Syco Records on 11 September 2011. The uptempo power pop track features a prominent guitar-based chorus and riff. The middle eight consists of a "na na na" hook. "What Makes You Beautiful" was a commercial success, reaching number one in several countries. It has been certified quadruple platinum in the US with sales of 4.8 million copies as of June 2016.