Ryan Gosling, Ryan Reynolds and Brad Pitt like to rock a scruffy look when they'e off duty, but they always turn out freshly-shaven with perfectly groomed hair on the red carpet.

In the video above, celebrity hairstylist Diana Schmidtke demonstrates the best way to trim and shape your man's hair for a holiday party and shares her insider tips.

Check out mitchtheman.com for more great men's grooming products and advice.