The model is slaying it with her long bob hairstyle, and from the look on her face, she knows it.

To get waves that look polished -- but not precious -- like Bell, mist a dry texture spray over curled hair and use your fingers to break up the curls. Try Rusk Dry Finishing Spray, $18.

This sophisticated style is perfect for walking the red carpet or trying to prove your innocence against fake murder charges.

The actress' platinum blonde lob keeps her wine-colored lipstick and sheer top from looking OTT.

While we're fans of the singer's signature long hair, we also love her with this sassy long bob hairstyle.