There's no shortage of fitness transformations on Instagram. Each side-by-side image speaks to a journey: maybe someone lost weight, or bulked and gained muscle, or just squatted their way to a killer ...

Personal trainer Justin Gelband has worked with some of the most seasoned supermodels including former and current Victoria's Secret Angels Karlie Kloss, Miranda Kerr, and Candice Swanepoel to prep ...

You’ve probably seen Dutch fitness model and trainer Jill de Jong in the latest Peloton commercial, on the cover of Women’s Health and in ads for L’Oréal, Avon and Izod. She was also the real-life ...