By ERIN GEIGER SMITH March 22, 2016 On a recent Wednesday night, about 70 fitness devotees wearing in-the-know brands like Heroine Sport and Outdoor Voices were crammed into a […]
By COURTNEY RUBIN March 16, 2016 You could say that Kayla Itsines has been in training for her current title, Instagram’s biggest fitness star, almost since birth. When […]