Actress Olivia Munn debuted a major hair change for the premiere of her new film, Office Christmas Party. Hairstylist Christian Wood chopped off a casual 12-inches of hair before her red carpet appearance. See below for the entire process: 

 

During:

??? #BTS for tonight's premier. We just chopped off 12 inches ✂️✂️✂️✂️ @oliviamunn @patrickta @highheelprncess #oliviamunn #haircut #shorthairdontcare

A photo posted by Christian Wood (@cwoodhair) on Dec 7, 2016 at 3:52pm PST

 

After: 

??? The stunning @oliviamunn rocking her new #bob at tonight's premier of #officechristmasparty #makeup @patrickta #styling @highheelprncess #hair me #oliviamunn

A photo posted by Christian Wood (@cwoodhair) on Dec 7, 2016 at 8:35pm PST