Sofia Richie bundles up in as she heads to Pilates wearing an all-black ensemble in Los Angeles

Cara Delevingne and Sofia Richie keep a low profile as they attend Pilates class together in LA

Sofia Richie shows off her curves in a tied-up white t-shirt as she arrives for a Pilates class

Why Lionel Richie Approves of Sofia Richie and Elliot Grainge's "Very New" Romance