WHAT: American Ballet Theatre will celebrate the opening of its 70th Anniversary Season at the Metropolitan Opera House.
WHEN: Monday, May 17
WHERE: Metropolitan Opera House
WHO: Caroline Kennedy, Christian Siriano, Julianna Margulies, Zach Galifianakis, Emmy Rossum, Robert De Niro and Grace Hightower, Adam Duritz, Matt Lauer, Veronica Webb, Elettra Rossellini, Isabella Rossellini, Keira Chaplin.