Khloe Kardashian and Mario Lopez attend the Kid Rock concert hosted by SWAGG at Hard Rock Hotel and Casino on January 7, 2010 in Las Vegas, Nevada

Mario Lopez turned 30 Friday Night and celebrated at Bank nightclub in the Bellagio hotel with friends including Peep Show star Aubrey Oday.  The celebration included cakes with pictures of Saved By the Bell cast members on top....so funny! Unfortunately Mr. Belding was not in attendance.:(