Nov 23 2010 Earlier this year, buns were bigger, higher, and messier, but things are shifting to smooth, tidy versions of the classic style. While at a special presentation of her new movie, Tron: Legacy 3D, Olivia Wilde wore a fanned version on the crown of her head. January Jones let a few tendrils out at Donatella Versace's recent fundraising dinner. And while at the Happy Hearts Fund event in New York, Petra Nemcova wore a cinnamon-bun version. Want to look like a prima ballerina sans the point shoes? Try these easy tips on how to style a slick bun.