[Richard Belzer, Alex Matthiessen, Kate Hagerman, Richard Gere, Carey Lowell, Bebe, Harlee McBride, Robert Kennedy, Jr. All Photos by JIMI CELESTE for PMc]

Riverkeeper, an organization whose goal is to keep New York City's water clean, hosted an event Tuesday night at the Frank Gehry designed IAC Building. The event included a silent auction with work from artists including Obama portait all-star Shepard Fairey, William Wegman, and Philip Tsiaras. Debbie Harry took to the stage while guests including the organization's co-chair and environmentalist Robert Kennedy Jr., Richard Gere with his wife Carey Lowell, Lauren Hutton, Matt Dillon, Alex Matthiessen, Richard Belzer, and Harlee McBridean sipped cocktails and shopped art for the cause.

[Riverkeeper Event At Ralph Lauren]
[Amanda Hearst And Luigi Tadini Host Riverkeeper Event]

More photos from this event below...

Deborah Harry

Richard Gere, Richard Belzer, Robert Kennedy, Jr.

Gloria Reuben, Anne Coley, Wendy Diamond, Matt Semino

Carey Lowell, Richard Gere, Robert Kennedy, Jr., Lauren Hutton, Alex Matthiessen