This is Color Club Hot Couture:
Gettin' Dirty With Disco Sally.) I think basically these two have very similar formulas - they're very fine-milled holo/iridescent glitters* with pink bases. One's darker and one's a bit lighter; one's an indie and the other is Color Club, a mainstream brand, but they seem to be very much alike at the core, just the same.
* I look at glitters like this and think "holo glitter!" but I think these may not be, actually - they're just regular glitters with some iridescence. They're not as flashy as a true holo glitter.
Hot Couture looks quite different with something underneath it, though. This is an old NOTD picture from 2015 and it's over Square Hue Gibson Girl, a pale pink:
Availability: I don't think it's a current color, but Head2Toe Beauty lists it as still in stock, so I imagine you can find it other places as well.