Rosie Huntington-Whiteley in black blazer and black paneled track pants at book launch on March 22

WHO: Rosie Huntington-Whiteley at book launch on March 22 2016

WHAT SHE WORE: Rosie wore black Saint Laurent blazer, black side panel Chloe track pants, cream top and black Gianvito Rossi sandals

BUY:

BLAZER: SAINT LAURENT WOOL GABARDINE BLAZER BLACK

PANTS: CHLOE PANELED JERSEY TRACK PANTS

SANDALS: GIANVITO ROSSI PORTOFINO ANKLE STRAP SANDALS