Chris DeWolfe CEO, MySpace
Wouldn't miss: The Costume Institute Benefit Gala at the Metropolitan Museum of Art, New York, with honorary chair Marc Jacobs and co-chairs Kate Moss, Justin Timberlake, and Anna Wintour.
Also on the calendar: The awarding of the Pulitzer Prizes at Columbia University in New York.

Dolly Lenz Vice chairman, Prudential Douglas Elliman
Wouldn't miss: Jazz at Lincoln Center's Annual Spring Gala.
Also on the calendar: "Frank Lloyd Wright: A Retrospective" at the Guggenheim Museum in New York, an exhibit marking the 50th anniversary of the death of Frank Lloyd Wright.

Tamara Mellon President, Jimmy Choo Co.
Wouldn't miss: The Cannes Film Festival—"I always look forward to seeing which of the winners will emerge as the year's most talked-about films, as well as all the red-carpet glamour and the annual Amfar fundraiser."
Also on the calendar: The Costume Institute Benefit Gala at the Metropolitan Museum of Art in New York, and the Met's exhibit of Francis Bacon. "I can't wait to see this retrospective—the first in New York in 20 years."

Steve Sadove CEO, Saks Fifth Avenue
Wouldn't miss: The French Open—"I think it's not only one of the biggest and most exciting events in tennis, but in competitive sports in general."
Also on the calendar: Events connected to Saks' initiative to build clean-water wells in countries that don't have them. "It was eye-opening to learn how many people don't have clean water and what a small donation can do for them."