Holly Madison launched her “Lucky Pet Products By Holly Madison” with her dog Louis at SuperZoo 2012 Convention at Mandalay Bay in Las Vegas (Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net).

Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.

Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.

Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.

Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.

Photo credit: Denise Truscello / WireImage www.DeniseTruscello.net.