Senada Greca is well-known on Instagram for her ab workouts.

Some have even called her “the most shredded woman on Instagram.”

She shares a lot of videos featuring her working out in the gym.

However, she wasn’t alone in her latest gym selfie.

Instead, reality star Kim Kardashian was with her!

Senada called Kim “the hardest working woman in the room.”

“It’s my honour to be training with Kim and to see the person that she truly is,” she wrote.