"Perfect" is a song by English singer-songwriter Ed Sheeran from his third studio album, ÷ (2017). After the album's release, it charted at number four on the UK Singles Chart. On 21 August 2017, Billboard announced that "Perfect" would be the fourth single from the album. The song was serviced to pop radio on 26 September 2017 as the third single from the album in the United States (fourth overall). The song eventually reached number one on the UK Singles Chart and the US Billboard Hot 100 in December 2017. "Perfect" became the UK Christmas number-one song for 2017 and also peaked at number one in sixteen other countries, including Australia, Canada, Ireland, and New Zealand.
The second version of the single, titled "Perfect Duet", with American singer Beyoncé, was released on 1 December 2017. Another duet with Italian singer Andrea Bocelli, titled "Perfect Symphony", was released on 15 December 2017. The song and its official music video received three nominations at the 2018 MTV Video Music Awards.