Anything Could Happen is a song by English singer and songwriter Ellie Goulding, released as the lead single from her second studio album, Halcyon (2012). Written and produced by Goulding and Jim Eliot of English electropop duo Kish Mauve, the song received positive reviews from music critics. "Anything Could Happen" was a moderate commercial success, peaking at number five on the UK Singles Chart, while charting inside the top five in Poland and the top twenty in Australia, Czech Republic, Ireland and New Zealand. In the United States, the track peaked at number forty-seven on the Billboard Hot 100 and topped the Hot Dance Club Songs chart.
Fifth Harmony performed this song on The X-Factor in both the Semi-Finals and the Finals. The song received a positive reaction from fans making it one of the best performances from Fifth Harmony and is considered by many fans and critics to be the girls' breakthrough performance. The song was shortlisted as one of their Pepsi Challenge songs, but Give Your Heart A Break was nominated instead.
The studio version of the song leaked online in December 2016, after Camila's leaving anouncement with some solo differences.