Hamptons Style:The Sexiest Holiday Hairstyles Perfect for Any Party for COSMOPOLITAN.COM These party-perfect hairstyles are ones you’re going to want to wear everywhere this season! Would you like to have Beyoncé’s sexy side-swept braid, Taylor Swift’s tucked under bun with bangs,Jordin Sparks‘ sleek ponytail braid, Nicole Richie’s center-parted halo braid, Miley’s glamorous ‘do, Malin Ackerman’s ...