Looks like there's no question as to how Halle Berry maintains her killer physique!
The 49-year-old Oscar winner shared a glimpse of her bikini-on-the-beach workout routine via Instagram on Sunday, writing, "Being in London makes me miss my workout buddy."
Sand planks seem to be the new secret for staying in shape.
Berry's amazing core was on full display last month at the MTV Movie Awards, when she wore a sheer dress that showed off her toned abs.
Watch the video below.