Flared sleeves were all the rage last year, but now it's all about the slit. Might we suggest upping your bangle and bracelet game to play off of the fresh silhouette.  
Left to Right: Hellessy, 3.1 Phillip Lim, Lacoste, Michael Kors, Prabal Gurung

Interesting waistlines and unexpected hemlines add oomph to simple white shirt dresses. Pick up a bunch of these to add to your workwear rotation. 
Left to Right: Rag & Bone, Lie Sangbong, 3.1 Phillip Lim, Banana Republic, DKNY

Slouchy fabrics, big buckles, and extended silhouettes take your run of the mill trench coat from meh to major.
Left to Right: Tibi, Dion Lee, Creatures of the Wind