It will disappear with the steam but reappear like magic when he gets out of the shower. Find a chaperone who will escort the honoree while you plan and set up the party. Throwing a surprise party seems simple, but great surprise parties need a little planning.
Brainstorm ideas. Pssst… I am still yet to do this as I always end up taking videos of my kids.
Take the honoree to the surprise party venue. To get the honoree to the party, offer the chaperone a few ideas on how to get them to the surprise without letting the secret slip. Give him a sensual massage.