LeToya Luckett is a beast. The former Destiny’s Child member showed off her rock hard core when she posted a video on Instagram.

Training at the track with her trainer, @omgfitness, the Treme actress activated her core while she preformed balance-pushups, planks, and sit-ups.

Letoya made sure to let her followers know that these moves were for the advanced only:

The 32-year-old R&B star should be proud of her fitness levels!