These two right now.
BABYMETAL - from me to u feat. Poppy
https://www.youtube.com/watch?v=qayP_YUrf9I
Samurai Pizza Cats - PANDASTRUCK
https://www.youtube.com/watch?v=LHQ4_qsmk6o
BABYMETAL pretty much always makes catchy songs, and SPC is hitting a specific pocket that I love, and they really went all in on the "late 90s/early 2000s music video" vibes. That has nothing to do with the song being stuck in my head; I just appreciate the aesthetic 'cause they nailed it.