Holly Madison and Mario Lopez Check Out the World MMA Awards in Sin City
The former "Girl Next Door" looked fabulous in a sleeveless animal print dress with dark nylons and heels, while the "Extra" host donned a black suit and matching skinny tie on the red carpet.
In addition to the MMA stars, plenty of other celebs were in attendance. Posting a pic of the pair, Mario tweeted, "Hangin with @GeneSimmons ! Night is made... #KISS."
Meanwhile, Holly got a little starstruck herself, tweeting, "Christie Brinkley is HOT!" Check out the two in the photos below.