Credit: David Becker/Getty Images

Scary Spice!

At the opening of "Matt Goss Live from Caesars Palace" in Las Vegas Friday, Mel B debuted an usual new 'do: She shaved the side of her head!

See the worst hairdos of 2009!

Last month, she stepped out in Los Angeles with 2-year-old daughter Angel, who had a matching half-shaved hairstyle.