An oldie but goodie was Gillian Anderson showing up at the VF after party in a see-thru dress with Helen Hunt as her date in '01. They felt each other up in such a public fashion that it made a couple of MSM articles.
All of them witches!
OMG Henry looks miserable in those photos!
By the way, Elton John's party did not seem to attract major stars, unless their attendance was not covered by the media.