Mona Lisa Adult Costume : This Halloween show your sensitive, artistic side by dressing up as a walking work of art and bring the Mona Lisa to life. Of course you are going to smile-you will be the center of attention in this clever costume! The painting might be complicated but this costume is simple to figure out and includes the Mona Lisa art-print tunic with connectors and tubes for support. Wear on top of your normal clothes or go all out Renaissance-style! One size fits most.