What Makes You Beautiful is a song by British-Irish boy band One Direction. It was released on September 11, 2011, as the lead single from their debut studio album, Up All Night (2011). The song was written by Savan Kotecha and Carl Falk, and was produced by Yacoub and Falk.

The song is a power pop song with electropop influences. Running for 3 minutes and 23 seconds, the song is set in common time with a tempo of 125 beats per minute. Written in the key of E major, it follows the chord progression E–A–B; vocal elements range from the note of B2 to G♯4. James C. McKinley Jr. of The New York Times compared its chord progression to "La Bamba". The opening guitar riff has been noted as similar to that of "Summer Nights" from the musical Grease.

What Makes You Beautiful was a commercial success, reaching number one on the charts in over 100 countries, including the United Kingdom and on the US Billboard Hot 100 chart. It was also certified 12x platinum by the Recording Industry Association of America (RIAA).

The song received generally favorable reviews from critics, who praised the song's catchy melody and its positive message. The song was also nominated for a Brit Award for British Single of the Year.

The song's music video was directed by Ben Winston and was released on September 19, 2011. The music video features the members of One Direction performing the song in a variety of locations, including a school, a park, and a rooftop. The music video has been praised for its visuals and its ability to capture the song's message of self-confidence.

Here are some of the reasons why What Makes You Beautiful is such a popular song:

The song's melody is catchy and easy to remember.
The song's lyrics are relatable to many people who are insecure about their appearance.
The song's production is power pop and electropop.
The song's music video is visually stunning and captures the song's message of self-confidence.
The song features the vocals of One Direction, who are a talented boy band.

What Makes You Beautiful is a great example of a power pop song that has all the elements of a hit. It's catchy, empowering, and has a great message. If you are looking for a new song to add to your self-love playlist, I highly recommend checking out What Makes You Beautiful.

The song's title is a reference to the fact that the singer is telling someone that they are beautiful, even though they may not believe it themselves. The song is a message of self-confidence and self-love.

The song has been praised for its catchy melody and its positive message.

The song has also been criticized for being too simplistic and for relying too heavily on clichés.

Overall, What Makes You Beautiful is a catchy and empowering song that has had a lasting impact on popular culture. It is a classic example of a power pop song that is sure to be enjoyed for many years to come.