In her campaign swing through Oregon this weekend, Chelsea Clinton spent Saturday in Portland. After a long hard day of campaigning for her mom, Chelsea took time out to go attend a popular Gay Men's party Saturday, called the "Red Dress" party. It has this name because everyone attending the party is supposed to wear a red dress to the event. The crowd is mainly gay men, but anyone is allowed. So there were a handful of women and straight men present as well.
Here is a photo of Chelsea with the event's organizers taken last night:

And here is a photo of her with one of the partygoers:

Here is a link to the local weekly newspaper story about her appearance:
http://wweek.com/wwire/?p=11511