Have you heard? Celebs are going for the chop!

<strong>Renée Zellweger</strong> and <strong>Hayden Panettiere</strong> recently traded their long locks for short, cropped styles.<strong> Heidi Klum</strong>, whose hair has hovered around her shoulders for years, went a few inches shorter with a long bob and bangs. And model <strong>Agyness Deyn</strong> has gone all Sinéad O'Connor on us.