Holly Madison & Wayne Newton: Statuesque Duo

4/30/2010 10:10 AM PDT

Holly Madison and Wayne Newton Las Vegas Pictures

Doing their best Madame Tussauds impersonation, former "Girls Next Door" Barbie doll Holly Madison, 30, and a very stoic Mr. Las Vegas  Wayne Newton, 68, showed off their heat retardant veneers while posing for pics in the blazing Sin City sun on Thursday.