(If you don’t know Finneas, he’s probably the most famous one here. He’s Billie Eilish’s brother/ producer-writer; he’s usually on stage w her and they’re seen as a duo unit, but I think he’s doing some more solo stuff now. Billie’s also spoken in support of Palestine)
Ed Sheeran when his remaining acts, 2 of whom are Irish and the other 2 Gen Zers, don’t stand for Zionist censorship: 


show gets shut down because the bass player is swatted onstage after Hind Rijab Foundation files complaint about her IG posts detailing own gleeful participation in IOF destruction of palestinian housing.
let’s go
I regret to inform you that most countries deliberately don’t act on the complaints filed by Hind Rajab Foundation.
Time for Nazi hunters redux