"All of Me" is a song by American singer John Legend from his fourth studio album Love in the Future (2013). Legend co-wrote the song with Toby Gad and co-produced it with Dave Tozer. It is dedicated to Legend's wife Chrissy Teigen. "All of Me" first aired on American mainstream urban radio as the album's third single on August 12, 2013.

"All of Me" became Legend's biggest hit to date. On the week ending May 16, 2014, it peaked at number one on the Billboard Hot 100 becoming his first number-one single in the United States. It knocked off "Happy" by Pharrell Williams, which had spent ten weeks at number one. The song peaked at number two in the United Kingdom and New Zealand and topped the charts in Australia, Canada, Ireland, Portugal, Sweden, Switzerland and the Netherlands. It became the second best-selling song of 2014 in the United States with 4.67 million copies sold for the year, as well as the third best-selling song in the United Kingdom.

A remix of the song (Tiësto's Birthday Treatment remix), featuring EDM artist Tiësto, was released in January 2014 and won the 2015 Grammy Award for Best Remixed Recording, Non-Classical, while another remix was done in March of that year by trance artist Dash Berlin. A live version of the song was nominated for Best Pop Solo Performance, losing to Pharrell Williams' "Happy".

"All of Me" was the third best-selling song of 2014 with sales of 12.3 million copies worldwide, according to the IFPI.

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