Tick tock, tick tock, the end of the year is coming. And so TikTok has become the latest digital platform to reveal the most popular music among its users this year.Like on YouTube, the most popular track in the UK this year was Tion Wayne & Russ Millions’ ‘Body 2 (feat ArrDee, E1, ZT, Bugzy Malone, Buni, Fivio Foreign and Darkoo).