What is The sixth sims 3 expansion pack?

The sixth expansion pack for The Sims 3 is called "Late Night." Released in October 2010, it introduces a vibrant nightlife experience, allowing Sims to explore new social activities, visit clubs, and engage in celebrity culture. Players can also experience the new "Bridgeport" world, featuring high-rise apartments and a range of entertainment venues. Additionally, the expansion introduces vampires as a new life state, enhancing gameplay with unique traits and interactions.