Ekaterina Mukhina is wearing loafers by Chloé.
You can shop them at Net-a-porter (left) and at My Theresa (right) :
Fringed patent-leather loafers
/ METAL TIPPED FRINGED BOXCALF LOAFERS
You may find the same loafers with heels at My Theresa too :
METAL TIPPED FRINGED BOXCALF LOAFERS
