As you scroll through prom hair inspo on TikTok and Instagram, you’re guaranteed to come across plenty of updos. From romantic braid crowns to sleek, center-parted buns, there are tons of different ways to style your hair in an updo that are perfect for a special occasion. No matter what look you choose, you can’t go wrong. Whether you’re getting your hair professionally done for prom or DIY-ing it with the help of a YouTube tutorial, you may be wondering how you should prep for your updo, starting with one simple question — should your hair be freshly washed and clean  or a little dirty? To answer that question and share her tips for styling updos, we turned to celebrity hairstylist and founder of The Beachwaver Co. Sarah Potempa.