Kate Beckinsale's twist-y bun at the 2014 LACMA Art + Film Gala.
Emma Stone attends the premiere of 'Birdman' during the New York Film Festival.
Selena Gomez rocked a sleek bun at the 'Rudderless' premiere in Los Angeles.
We're calling it now -- the middle-parted bob, like this one on Rose Byrne, is the going to be the hottest hair look of the season.
Chloe Grace Moretz's swept-up, no frills bun at the Toronto International Film Festival this week.
Gwen Stefani's straight and sleek midi bob at the Emmy Awards.
Nina Dobrev's messy braid at the 2014 Teen Choice Awards.
Julianne Hough arrives at the Los Angeles Premiere 'Let's Be Cops', sporting a platinum pixie bob.
Jessica Alba's deep side part during the press tour for her new movie, 'Frank Miller's Sin City: A Dame To Kill For', during Comic-Con.
Kate Bosworth's gorgeous braided updo at the Style Thief app launch at the Chateau Marmont in Los Angeles.
Diane Kruger's double braid situation at the red carpet premiere of "The Bridge".
Olivia Wilde at a movie premiere in NYC.
Alessandra Ambrosio rocks a ponytail underneath her Panama hat at an amusement park in Los Angeles.
Jennifer Lawrence stepped out in NYC with a grown-out pixie cut.
Katie Holmes out and about in NYC -- with bangs!
Catherine, Duchess of Cambridge shows off her ponytail during the royal tour in New Zealand.
Kate Upton sports a sexy, voluminous updo at the UK Gala premiere of 'The Other Woman' in London.
Nina Dobrev sports a hair bow at the 2014 PaleyFest.
Emma Stone goes red again at The Amazing Spider-Man 2 photo call in Sydney, Australia.
showed up to the Teen Choice Awards
on Sunday, August 11th, with a hairstyle that's about to become our go-to for fall. Nina's messy braid
kind of stole the show for us -- it's the perfect mix of effortless and pulled-together, and we're dying to copy it.
It's no secret that we love braids, but Nina really nailed it this week with her long, romantic style. It was a youthful look, perfect for the Teen Choice Awards. Plus, a stuffy up-do wouldn't have gone as well with Nina's cool Vionnet separates.Looking no further for your perfect fall hairstyle -- we think we just found it. Click through the gallery above for more celebrity hair looks we love.