Every year 20,000 lesbians descend on Palm Springs, California for the Dinah Shore Parties. Here are some photos from the 2011 Dinah Shore parties. Dinah Shore weekend in Palm Springs, California is billed as the largest lesbian party in the world. With more than 20,000 lesbians descending on this desert town for a weekend of pool parties, dances, fun and festivities, The Dinah Shore weekend is a girl-watchers dream. We've captured some moments from Dinah Shore weekend 2011 to share with you.