Demi Moore sparkles at the 'Late Show with David Letterman' (PHOTO)

The ever-youthful Demi Moore sparkled in a purple sheath at a taping for the Late Show with David Letterman.

Photos by Photo Agency







Photos by Photo Agency

Demi Moore sparkles at the 'Late Show with David Letterman' (PHOTO)

The ever-youthful Demi Moore sparkled in a purple sheath at a taping for the Late Show with David Letterman.

Photos by Photo Agency







Photos by Photo Agency

Demi Moore rocks a backless Marchesa at "The Joneses" movie premiere

Looking even more youthful than ever, Demi Moore rocked the premiere of her new movie, "The Joneses," in a Marchesa cocktail dress, accessorized with a Roger Vivier clutch, Van Cleef & Arpels bling and silver Brian Atwood pumps.

Photos by Jason Merritt/Getty Images North America













Photos by Jason Merritt/Getty Images North America

Demi Moore dazzles in a backless Marchesa dress at the Los Angeles premiere of "The Joneses" (PHOTOS)

Looking even more youthful than ever, Demi Moore rocked the premiere of her new movie, "The Joneses," in a Marchesa cocktail dress, accessorized with a Roger Vivier clutch, Van Cleef & Arpels bling and silver Brian Atwood pumps.

Photos by Jason Merritt/Getty Images North America













Photos by Jason Merritt/Getty Images North America

Demi Moore dazzles in a backless Marchesa dress at the Los Angeles premiere of "The Joneses" (PHOTOS)

Looking even more youthful than ever, Demi Moore rocked the premiere of her new movie, "The Joneses," in a Marchesa cocktail dress, accessorized with a Roger Vivier clutch, Van Cleef & Arpels bling and silver Brian Atwood pumps.

Photos by Jason Merritt/Getty Images North America













Photos by Jason Merritt/Getty Images North America