This week's roundup includes invitations printed on classic viewfinders, cassette tapes fashioned into decor at a Toronto benefit, a new spin on the Wizard of Oz theme at a Miami gala, and a spooky take on dessert pops at a Washington costume party.

Events by André Wells hosted its fourth annual costume party November 1 at the Andrew W. Mellon Auditorium. Wells, dressed as James Brown, sang "Get On Up" with the band, and catering from Design Cuisine Caterers included festive desserts such as ghost pops made from meringue.

About 3,500 people attended the 18th annual Human Rights Campaign National Dinner October 25 at the Walter E. Washington Convention Center; Hargrove handled event design. The silent auction areas were defined by white cubes created from slats of Coroplast. The word "evolve" came into focus above the entry.

The 20th annual InterContinental Miami Make-A-Wish Ball, held November 1, had a theme of "Oz Reinvented." Deco Productions surrounded a bar with a recreation of Dorothy's crashed farmhouse and placed a rotating windmill nearby.

On October 19, Fox 5 New York publicized its new nightly airings of Modern Family with a public pumpkin patch set up in New York's Union Square Park. Produced by the Michael Alan Group, the public promotion included a 20-foot augmented reality gallery wall showcasing clips and quotes from the TV show, which visitors could view using a special app.

The first Hello Kitty convention met from October 30 to November 2 at Geffen Contemporary at MOCA. The inaugural convention sold out, attracting 25,000 Hello Kitty enthusiasts who could pose for photos in the "Hello Kitty Friendship Village" on the main floor.

To premiere its new show American Horror Story: Freak Show, FX hosted an event October 5 at the Ebell in Los Angeles that included a screening space with striped sofa seating and red lighting.

At the Canadian Opera Company’s 11th annual Operanation benefit October 16 at the Four Seasons Centre for Performing Arts, event designers repurposed cassette tapes as decor.

Give guests a blast from the past with a classic viewfinder from Image3D. Pricing is from $375 for the master reel setup and from $3.25 for each additional reel, plus packaging and viewfinder costs.

Rethink Breast Cancer's Boobyball fund-raiser had a vintage circus theme, and stylized signage at the October 17 event at Toronto's Kool Haus directed guests to beauty treatments provided by Stila Cosmetics and Ardell Lashes.

From our roundup of inspiring Thanksgiving event decor, catering, and activities, a 2008 Bloor Street Entertains fund-raiser for the Canadian Foundation for AIDS Research featured wheat sheaves on tabletops at Roots Canada.