When did Style Theory Season 3 Episode 18 air?
Style Theory Season 3 Episode 18 aired on May 10, 2025.


Hello Internet! Welcome to STYLE THEORY, where beauty is a science. Suit up and come along as we answer fashion’s most important questions: Is your makeup poisonous? Could a high heel actually kill someone? And how do the Hulk’s pants even stay on? Our closet is FULL of theories, so prepare to explore the world of style, trends, and fashion in a whole new way! Subscribe, because the best way to look is smart.

Can you create a cute, affordable outfit from Costco? In today’s episode, we are going to put Costco to the ultimate fashion test by testing THREE levels of outfit: Casual, Date Night, and a Couture look so stunning that you can even wear it to the Met Gala.
Direct answers for episode-level questions and details.
Style Theory Season 3 Episode 18 aired on May 10, 2025.
This episode runs for approximately 22 minutes.
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