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who has the most likes on a youtube video
Despacito by Luis Fonsi featuring Daddy Yankee has been the most liked video on YouTube since July 2017, with over 36.5 million likes as of March 2020.
who has the second most likes on a youtube video
The music video for See You Again by Wiz Khalifa featuring Charlie Puth is ranked second in the list of most-liked YouTube videos.
do any artists have multiple videos on the list of most-liked youtube videos
As of March 2020, BTS are the only artists to have three videos in the top 30 of the list of most-liked YouTube videos.

Question: who has the most dislikes
Self-contained rewrite: who has the most dislikes on a youtube video