Pamela Reif's popular "Thigh Slimming Workout" on Xiaohongshu is a quick and effective way to tone your thighs. This workout requires no equipment and can be done in just 8 minutes. Here are the main exercises:

1. Side Leg Raises: Lie on your side with legs extended and lift your top leg while engaging your core. Hold for 30 seconds.

2. Leg Circles: Lie on your side with legs extended and lift your top leg slightly. Use your toes to draw small circles in the air. Keep your core engaged and do this for 30 seconds.

3. Side Leg Hold: Remain on your side with legs extended and lift your top leg. Hold it in place for 30 seconds.

4. Inner Thigh Lifts: Stay on your side with your left knee bent and right leg lifted slightly. Feel the inner thigh working as you lift your leg. Hold for 30 seconds.

5. Inner Thigh Hold: Stay on your side with your left knee bent and right leg lifted. Hold your lifted leg in place for 30 seconds. Try to keep your knee as straight as possible and extend your foot and leg.

6. Bridge Pose: Lie on your back with legs bent and feet hip-width apart. Use your glutes to lift your hips off the ground, keeping a straight line from shoulders to knees. Hold for 30 seconds.

7. Supine Hip Stretch: After the leg exercises, it's important to stretch. Lie on your back with your left ankle crossed over your right knee. Hug your right thigh towards your chest, feeling the stretch in your right hip. Hold for 30 seconds.

8. Prone Quadricep Stretch: Lie on your stomach and reach your left hand behind you to grab your left foot, which is bent. Extend your right leg straight with toes touching the ground. As you stretch, try to lift your upper body off the ground. Repeat on both sides for 30 seconds each.

With these exercises, you can easily slim and tone your thighs in just a few minutes each day.