Celebrities are the ultimate fitspo! But ever wonder how they’re able to stay true to a healthy lifestyle? From Khloé Kardashian’s post-baby fitness routine to the secret to Jennifer Garner’s sculpted arms, Carrie Underwood’s go-to moves for sexy legs and more, Us takes a behind-the-scenes look at the workout routines, moves and mantras of Hollywood’s fittest celebrities. We’ve also revealed get-fit details from the celebrity trainers and pros that the hottest A-listers rely on to help keep their physiques svelte. Read on to hear the exact tips and tricks that your favorite celebrities use to keep their bodies healthy, toned and strong!