I'm a personal stylist for corporate clients. There are 5 mistakes I always tell them to avoid when dressing for work.

As a personal stylist, I've noticed several mistakes corporate professionals make when getting dressed for work. Jason Jean/WWD via Getty Images; Alyssa Powell/BI I'm a personal stylist who helps corporate clients build a polished, authentic office wardrobe . To spice up an all-black outfit, I…