Classy & Sassy. Here are shown some really impressive and chic celebrities classy updo hairstyles. One thing is for sure, if you are looking for hot party hairstyle, then one of these celebrities’ styles will make you diva of the night. Take a look at these gorgeous and timeless celebrities’ updos, which look formal and so classic. Such icons as Hayden Panettiere, Jennifer Morrison, Taylor Swift and Carly Rae Jepsen appear with loose side twists, sleek ballerina buns, brow skimming bangs and classic chignons...there is no doubt, they look expensive and chic.