Who Wins in the Battle of the Bun Hairstyles?

It's Kristen Bell vs. Kristin Cavallari. Which of these two hairstyles do you prefer from last night's When in Rome premiere?

The first is on Kristen Bell:

Hers is simply a bun with a straight strand of faux hair around it, which you could either get via a clip-in add-on or if you've got a lot of hair like me, by braiding a lock of your own and twisting it around the bun. Simple and elegant.

But if you're in the mood for something a little sexier and messier, then Kristin Cavallari's is for you: