[Lady Liliana Cavendish, William Cavendish. All photos by PATRICK MCMULLAN] The Alzheimer's Association hosted their 2009 Rita Hayworth Gala inside the Waldorf Astoria where New York socials gathered to raise funds in support of the organization, mingle over dinner and drinks, and to tear up the dance floor of the Grand Ballroom in their black tie attire...

More story and photos below...Dan Akroyd was spotted shaking it alongside John Hess, Lady Liliana Cavendish grabbed her William and showed him a move or two, and other guests including Brooke Shields, Nina Garcia, Alexandra Lebenthal, Regis Philbin, Jay McInerney with wife Anne Hearst, Alejandro Santo Domingo, and many more wasted no time sitting in their seats while they danced the “So Near & Yet So Far"-themed night away.

Nina Garcia, David Conrod

Roger Waters, Candace Bushnel, Amanda Hearst, Anne Hearst McInerney

Brooke Shields, John McEnroe, Patty Smyth

Dan Ackroyd, John Hess

Steven Rockefeller, Eric Ripert, Roger Waters

Lady Liliana Cavendish, William Cavendish, Alexandra Lebenthal, Frederick Anderson

Regis Philbin, Mayor David Dinkins

Somers Farkas, Brooke Shields, Sandra Ripert, Eric Ripert

Janna Bullock, Donna Dixon Ackroyd, Louise Kornfeld, Stella ?, Michele Herbert, Lucia Hwong-Gordon, ?

Alexis Clar, Hilary Gumbel, Muffie Potter Aston

Tanya Potter Adler, Martha Webster