These Are the Sexiest Hairstyles to Wear If You're Hooking Up

In and out of the bedroom, the effortless half-up bun, seen here on Kendall Jenner, pretty much screams cool girl. It's also much more sex-friendly (and fashion-forward) than the classic topknot. To achieve this style, section off the hair around the crown of your head and pull upward into a messy bun, securing with bobby pins as needed. Leave the bottom half of your hair down, flaunting your natural texture or adding in waves with a curling wand.

Margot Robbie's lob looks fetching in the half-up style.

Add a bit of wave to the ends of your strands like Diane Kruger did for extra texture.

By tying your hair into a braid, you'll avoid ending up with your hair all over the place — a common consequence of some under-the-covers fun. Bonus: a side fishtail like Sarah Hyland's looks even better when messier, meaning your style may end up being sexier after you do the deed. To achieve this Pinterest-inspired plait, start by creating texture with a dry shampoo or hairspray, and then sweep the fishtail to the side, braiding across and downward. Check out our full fishtail side braid tutorial here.

Fattening up the top section of her plait made Brittany Snow's style even sexier.

Country singer Jana Kramer wore her braid with pieces plucked from the plait, perfect for a "just romped in the hay" look.

Who doesn't want to look like they stepped off a sexy surfside photo shoot? Loose, beachy waves like Jessica Alba's are reminiscent of warm Summer days with loved ones — perhaps even getting naughty in the sand, or jumping in the water for some skinny dipping. Bring this scenario home (and into the bedroom) with beach-inspired waves, a style guaranteed to stand up to this tough challenge. You'll need a salt spray and a curling wand, preferably a tool like the Beachwaver ($199), which is made specifically for this type of curls. Wind your strands around the iron in alternating directions, leaving the ends out for a more undone look.

The texture and shine in Awkwafina's jet black hair gives her look serious edge and sex appeal.

Long strands like Beyoncé's just need a slight wave to give off "naughty mermaid" vibes.

If done well, a messy ponytail like Kerry Washington's is undoubtedly one of the best casual, sex-ready hairstyles of all time. While a tighter ponytail is likely to be uncomfortable during the act, a messier, looser look means you don't have to worry about keeping your hair intact. Additionally, it seamlessly transitions from fancy to casual, depending on what outfit and makeup you're pairing it with. That makes it an ideal choice for primping both for a date night out and for the (ahem) afterparty. The key to getting a perfectly messy ponytail is ensuring that your hair has grip before pulling it back, which is best done with a texturizing spray. Once your ponytail is secure, mess up the top by carefully running your hands through to loosen the hair or pulling out a few select strands.

Loose pieces, waves, and volume? Kate Middleton's ponytail has us hot and bothered.

Meghan Markle's messy ponytail is especially date-night worthy.

Reminiscent of Old Hollywood, this stunning style is one of the most classically romantic out there. Your partner is sure to be as in love with this hair as they are with you. Waves like Blake Lively's can easily transition into a bedroom look, too. To DIY sideswept waves, start by smoothing hair with a styling cream, then blow-drying with a round brush. Hair should then be curled and pinned up before the strands are shaken out and swept into a deep part. See our full rundown of sideswept waves here.

Doesn't Amanda Seyfried's hair make you want to run your fingers through it?

Glam curls like Jennifer Lopez's would look just as sophisticated after canoodling with your sweetheart.

Transform into a 1970s bombshell with this Farrah Fawcett-esque look. This softer, more natural take on the feathered hair trend (seen here on Carrie Underwood) pairs easily with contemporary makeup styles. To achieve this iconic coif, start by blowing out your hair (as always, use a heat protectant to fight damage). Once your hair is dry, spritz with a medium-hold hairspray and use a flatiron to create the feathered edges. Do this by taking the small pieces that frame your face and use the hot tool to curl these sections of hair outward, creating a windblown effect.

Kaley Cuoco proves that even short-stranded gals can get in on the feathered fun.

Jennifer Aniston's tousled take on the style is ultrasexy.

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