When Candice is performing her song about the "intimate get together" she is seen catching a glass (crystal) egg, and putting it back on the shelf... This is a reference to Risky Business, where Tom Cruise's character has a party that causes a crack in his mother's crystal egg.
Although This Episode Premiered In 2011 It Was Made In 2010 According To The Credits Also This Was The Last Episode To Be Made In 2010