The Black Tie is a neck item in Club Penguin Rewritten. It costs 125 coins in the Penguin Style catalog.
After wealthy Jonathan Keyes is found dead in his home, the police receive an anonymous tip that he was murdered.
The scene when Jack brings Liz a diamond necklace to wear and snaps the box on her fingers refers to an unscripted scene in Pretty Woman where Richard Gere brings Julia Roberts (also wearing a red dress) a diamond necklace and snaps it on her fingers causing her to laugh out loud. In the scene in 30 Rock, however, instead of laughing out loud Liz begins swearing that her fingers were hurt.