instagramBar Refaeli proves hard work does pay off in the gym.
Earlier this week, the 27-year-old supermodel pushed herself during another killer personal training workout.
At the end of the session, however, Refaeli couldn't help but show off her fit and fabulous body.
"The best way to start off," the model said on Instagram as she smiled in black yoga pants and a pink sports bra.
All of the sweat and pain appears to be paying off for the Sports Illustrated cover girl.
One day after her workout, Refaeli posted a sexy bikini shot on Instagram with the caption, "just hanging…"
Keep up the good work Refaeli; you're looking great!