Our latest Party Lines slideshow traverses a bevy of celebrity Halloween parties, bringing you oodles of expensive costumes and irreverent quotables explaining those expensive costumes. Like this one, from Bette Midler: "Martha Stewart made this costume for me. I called her up and I said, 'Martha, I can't take it anymore, do something for me.' And she said, 'I'm going to make you the most beautiful tree ever' — and she did! And it's got fireflies, and it's beautiful!" For more, click through the Party Lines slideshow.