What ultimately happened to the party girl you knew in early adulthood?

That girl that was the life of any party / "toured" with the band for many years / attended every concert, festival and performance in town / first name basis with every bouncer, maitre d' and doorman in town/ had the flashy older boyfriends with questionable income sources / never saw the bottom of her glass / took their job as a narcotics quality tester very seriously / her local bar has practically embroidered her name on her favorite stool/ her apartment was a no reservation drop-in center with people traffic 24-7 / no such thing as a song they couldn't dance to / had the stereotypical jobs (waitress, bartender, hostess, stylist, travel agent, stewardess, retail associate) / promised everyone they would go to college "later".

Edit: I can appreciate that there are likely two archetypes from the above going by my direct experience.

The girl from a rough background whose wild early adulthood devolves into a depressing middle age life with illness/death, financial, marriage & custody issues etc.

Or the middle class girl who went through a phase and then graduated to her mature persona. Living a normal productive life with cool stories for their grandkids.