(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: 
I didn't take this comment seriously at first but yeah it does. All it takes is for people to demand refunds and/or boycott the show to escalate the publicity to the next level. Edit: just saw it on CNN, so we're getting there fast.
People in the US have been getting there for a while now, the [mainstream pop] culture is being forced to catch up despite the Zionist ambitions of the capitalist class.
I think the poll i saw today was 65% support ending aid to Israel across the board. Gotta get those numbers up, but they kinda are going up. It is a class based issue that has shattered containment. Even under a "ceasefire" there have been 1000 killed, [CW] including the teenager hit while aiding someone in a double tap strike, in clear video.
The US establishment is getting weaker every day. It doesnt mean there will be a revolution here, but it certainly makes the global conditions more favorable to the left across the board. As always, the caveat is that the US needs to get through 2028 without going up the fascism ladder (yes there are more rungs).