Skirt: Courtesy of Madewell. 
Vest: Vince (alternative colour here).
Leather Jacket: Balenciaga (get the look here & here).
Bag: Vintage Chanel (more vintage Chanel here & here).
Shoes: Zara.

There's always the danger of looking like a bumble bee when wearing yellow and black. I fight it by adding a pop of another colour and breaking the black up with a print.