In The Sims 4, costumes play a crucial role in setting the stage for unforgettable romantic encounters and playful interactions. With the release of The Sims 4: Lovestruck, players are treated to a wide array of flirty costumes that bring a fresh burst of charm and allure to their Sims' wardrobes. These costumes can be accessed through Create-A-Sim or explored with the costume trunk, where options are categorized into fantasy, jobs, and whimsy categories.