Crooner

Tony Bennett

and "Everybody Loves Raymond" actor

Brad Garrett,

now seen on Fox's "Til Death" (Good point,

KING

) were surprise guests at a corporate bash at Caesars in Atlantic City Friday night. Bennett performed for about an hour and Garrett did a 15-minute stand up set. The party's theme was

Frank Sinatra

's 93rd birthday. Funnyman

Joe Piscopo

who famously portrayed Sinatra on "Saturday Night Live" was the emcee and there was a planned performance from

Frank Sinatra, Jr.

His sister

Nancy Sinatra

was in the crowd but only to watch. Her boots were not made for walking onto the stage that night.