Owing to the graphic nature of the scene, it is rarely incorporated into public performances, although it is included in the script for tradition's sake. You'll usually only see this scene in private performances for the richest of the rich, or in brothels. It's also very popular with historical reenactment societies.
Celestia, exercising her traditional disdain for boring old tradition, introduced the Mane Seven to the complete script. RD and Rarity enjoyed the read, and Spike seized opportunity for shenanigans when Sweetie Bell asked the question.