At a premiere of her new movie, August, the star, 46, revealed legs as toned as they were when she shot to fame more than two decades ago, Daily Mail reports.

She exercises four times a week with her trainer, doing 30 minutes of step aerobics and 40 minutes of ‘body work' that includes lunges, push-ups and crunches.

She also runs, plays tennis, swims, cycles and does Pilates.

What to try: The raised lunge tones all the leg muscles. Stand with legs shoulder-width apart.

Take a large stride forward with your right leg into a lunge position, so that both legs are at right angles, the left knee almost touching the ground.

Stand up and simultaneously swing the bent left knee forward and bent right arm  upwards.

Return to start position.

Repeat 12 to 15 times on the same leg before switching sides.