Ariana hates her hair!

20 year old pop princess Ariana Grande almost wears her hair half up, half down, but at KIIS FM's Jingle Ball concert in Los Angeles, California, Ari decided to switch up her look. Her fans loved it, but Ari wasn't a total fan of her new 'do. "I never wear my hair like this and when I do, it doesn't last long. Don't get used to it," she tweeted. We love it either way, Ari!