Brides.com: 25 Wedding Hairstyles Inspired by Celebrities. Carrie Underwood's Long, Loose Curls. Country music star Carrie Underwood knows how to let her hair down. Here, her look is natural and romantic, yet sophisticated enough to pair with a designer wedding gown. (Underwood is known for favoring Reem Acra and Oscar de la Renta on the red carpet.) Browse more down wedding hairstyle ideas.