Whitney Port wore Elizabeth and James E-Moxy Leather Booties (currently on sale for $158 from FarFetch.com, regularly $395) to the The Black Eyed Peas’ 7th Annual Peapod Benefit Concert in Hollywood on February 10th, 2011 (source).

E-Moxy lace up bootie in black from Elizabeth & James featuring a textured leather upper with an almond toe, rope lace up front, and a pull-tab at the ankle. Has a stiletto heel that measures 5″ with a 1.5″ platform.