Woman Dances On Staircase To Pop Music

Create a 10-second ultra-realistic HD video of the woman in the reference image performing a beautiful, confident, feminine dance to upbeat English pop music. She starts with a gentle smile, then moves her shoulders, sways her hips naturally to the rhythm, takes two graceful steps, and adds smooth hand movements while lightly moving her head to the beat. Her movements must match the music perfectly, with natural body motion, realistic facial expressions, and flowing hair. Keep her black dress, original appearance, and the staircase background unchanged. Use stylish pop-dance choreography, smooth transitions, realistic physics, stable camera, sharp details, and cinematic lighting. No robotic movements, no distorted hands or feet, no flickering, and no sudden scene changes. Duration: exactly 10 seconds.