Younger siblings have all been guilty of stealing their older sisters look from time to time, and whether it was your sister's bold fashion choices that inspired some questionable outfits of your own or a new hairdo', it is an unspoken rule within families that if you see something on your sister you like, you'll try it too.
This style rule also seems to apply to the uber-famous Olsen family after Elizabeth Olsen decided to ditch her brunette locks in favour of the signature blonde Olsen look on Monday night, and looked amazing.
Olsen hit the red carpet in Beverly Hills for holiday celebrations with the Brooks Brothers and took the moment to debut her new blonde hair, giving us some serious Mary-Kate and Ashely vibes in the process.
Having died her hair bright red for her role as Scarlet Witch, the Avengers star showcased her beachy blonde hair and perfect bangs while looking every bit the Olsen sister.
As well as showing off her new 'do, Olsen gave us all a lesson in chic holiday fashion by wearing a classic double-breasted jacket with rolled up sleeves, a white turtleneck, wide leg trousers, and festive red velvet heels.