Yes, if I had to put my finger on the pulse of Hollywood ponytail style right this very second, I'd say it's all about big and messy, not sleek and simple. Check out the ponytail hairstyles Zoe ...

Right about now the temperature usually goes from hot to "OMFG I'm melting" and having your hair on your shoulders and back is like wearing a wool scarf. Sure, a ponytail or bun will do the trick ...