Celebrities including Tony Bennett, Howie Mandel, Wayne Newton, Gordon Ramsay, Donny & Marie Osmond, the Righteous Brothers and more recently gathered at Caesars Palace in Las Vegas to celebrate its 50th anniversary.

Headliner Tony Bennett, who was the second performer to ever appear at the Circus Maximus Showroom in 1966 and in 1969, was the only entertainer to have a lifetime contract to perform at Caesars Palace.

The gala in celebration of the resort’s 50th anniversary took place on Aug. 6.

(http://www.caesars.com)