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Dancing with the Stars pro Karina Smirnoff sashayed onto the red carpet at the MTV Movie Awards in a ballroom-esque peplum dress—and that wasn’t the only thing influenced by her day job. Her bright yellow manicure included a detail inspired by her dance partner Jacoby Jones’s Baltimore Ravens jersey number. “They’re yellow and I have a purple number 12 on my ring fingers,” Smirnoff told InStyle.com of her look. “The reason for that is that it fits the outfit [from Monday night's competition]. I don’t have a lot of time to turn around from the MTV Movie Awards to being live on Dancing with the Stars, so I’m rocking yellow nails with a red dress. I know it’s a no-no, but there’s nothing I can do!” We love the nail shout-out!

Plus, learn more about Karina’s costumes this season.

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• Karina Talks Ravens-Inspired Costumes
• Karina at InStyle‘s Golden Globes Lounge
• Melissa and Tony’s Winning Performance

— Lindzi Scharf

When Brittany Snow arrived at the MTV Movie Awards this weekend, there was something a little different about her blonde bob, which appeared angled on one side and shorter on the other. “It’s a little fake,” Snow told InStyle.com of her style. “It’s not cut. My hair length is actually a little shorter. It’s an extension piece and then we cut it.” So smart! Why the change-up? “My [Lela Rose] dress is so classy and elegant, so I wanted to do something a little edgy with my hair,” Snow told InStyle.com. “So we decided to angle it. I thought it would be cool!” Simple enough, and it worked. If you try the look, shop for an extension that matches your hue and add texturizer to your roots before clipping it in to avoid it slipping out of place.

Plus, see what everyone wore on the Movie Awards red carpet!

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• Brittany Hearts J. Mendel
• Allison Williams’ 1.5-Hour Ponytail
• Why Rachel Zoe Got Bangs

— Lindzi Scharf

Selena Gomez went for a come-and-get-it look for last night’s MTV Movie Awards—an attitude that matched the name of her new single that she performed—and her stylist Basia Richard gave InStyle.com all the details on her two looks. For the red carpet, she went with a gold, embroidered Julien Macdonald mini, originally chosen as a performance contender. “Selena fell so in love with this dress that it was instantly her first choice for the carpet,” Richard told InStyle.com, noting that she kept the accessories simple with metallic peep-toe Jimmy Choo heels. For her Bollywood-inspired performance, Richard chose to add more sparkle and embellishment to a red Marco Marco design with Swarovski crystals and gold pieces—which, pssst, you’ll also seen in an upcoming video. “I made the skirt fuller, I wanted it very sensual, very tribal,” she said. As for our favorite detail, Selena’s sparkly bindi? “That was her makeup artist, Karan Mitchell’s idea,” Richards said. “We loved it so much everyone on the team was wearing a different color backstage!” Love it!

Plus, see more moments from the MTV Movie Awards.

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• What Everyone Wore to the MTV Movie Awards
• Selena Gomez’s Best Looks Ever
• Try on Selena’s Hairstyles

To complement her curve-hugging ensemble and statement necklace, mom-to-be Kim Kardashian went for loose, touchable layers at this year’s MTV Movie Awards, a style inspired by her growing fringe. “Kim has been trying to grow her bangs out, so I created a deep part to pull them to the side,” said her hairstylist Chris McMillan (yes, the magic man behind Jennifer Aniston‘s tresses). ”We kept the blowout sleek with a little bit of texture.” To ensure her look stayed intact throughout the show, McMillan used Living Proof’s Prime Style Extender ($20; sephora.com) on damp hair, then blow-dried the product in with a round brush. He sectioned the star’s hair into a deep side part, then misted the Hold Flexible Hairspray ($24; sephora.com) over the style to add extra definition. “It added texture and created a piecey look,” he said. “I also used it to keep the bangs tucked away.” The extreme side part is a great option if you’re growing your fringe (like Michelle Obama), and the wispy ends give the style more dimension.

See the hairstyles we’re loving for spring in our gallery!

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• See Kim Kardashian’s Hairstyles — On You!
• Sign Up for InStyle’s Hair Newsletter
• The Kardashian Sisters to Launch Self-Tanners