II" is a song by Norwegian record producer and DJ Alan Walker and American singer Ava Max, released by Sony Music on 27 December 2019.

[3] Many remixes of the song were published, among which those by Rave Republic, Toby Romeo, RetroVision, Da Tweekaz, and one by Alex Skrindo, in collaboration with Sebastian Wibe.

[4] Jason Lipshutz of Billboard praised the song, stating that it "demonstrates the evolution of Walker’s production techniques".

He also described Max's vocals as "a moment designed for glass-clinking, unified swaying and other forms of party camaraderie".

[5] A second video, also directed by Kristian Berg, was released on 17 February 2020, and was filmed live at the Château de Fontainebleau castle in France.