It's no surprise that the show's models would kick up their diet and exercise regimens in the weeks leading up to the show.
Joan Smalls tweeted a picture of her calorie watch, showing that she'd worked off over 800 calories in one workout.
Doutzen Kroes has been making goji berry and chia seed smoothies, while Candice Swanepoel is giving herself a one-two punch with boxing sessions.
Shanina Shaik shared a picture of herself using an ab wheel, while Cameron Russell has been doing yoga.
Shupei Qin completed the San Francisco marathon just a few weeks ago.
Source: Twitter User Joan Smalls