Carrie Preston, Nick Adams and Wilson Cruz to attend GLAAD Art Auction, 11/18

True Blood star Carrie Preston, Broadway's Nick Adams, and LGBT actorvist Wilson Cruz will be among the special guests at GLAAD Art Auction this weekend in Manhattan. The event, hosted by Good Morning America's Sam Champion and Rubem Robierb, will celebrate recent victories for marriage equality in Maine, Maryland and Washington, as well as the defeat of an anti-marriage amendment in Minnesota.

Right now, ticket buyers will receive a special half-off companion ticket with the purchase of admission. All proceeds benefit GLAAD's work to share stories from the LGBT community that build support for equality. To buy your tickets, click here.

GLAAD Art Auction will feature over 100 unique pieces of art from established and emerging artists. Guests will also enjoy hosted Ketel One cocktails, delicious hors d’oeuvres, as well as an exclusive VIP after party with special celebrity guests. Past auction items include works by Wassily Kandinsky, Annie Leibovitz, Joan Miró, Pablo Picasso, Herb Ritts and more.

To see a complete list of participating artists, as well as special guests, click here.