Indian Couple Celebrating Holi with Musical Instruments Gemini Prompt

Use the attached couple faces 100% identical — preserve exact facial structure, skin tone, hairstyle, expressions, and overall likeness for both individuals. Do not modify identity or facial details.
Ultra-realistic full-length studio portrait of a young Indian couple celebrating Holi festival, standing back-to-back against a soft pastel multicolored powder background (blended tones of pink, yellow, green, and orange).
Male subject:

Wearing a white kurta with light Holi color splashes and blue jeans. A blue patterned scarf is wrapped around his neck. He is smiling warmly while looking toward the woman over his shoulder. A bright blue color smear is visible on his cheek and a red tilak mark on his forehead. He is holding a traditional dhol (Indian drum) in front of him, positioned diagonally across his torso.
Female subject:

Wearing a white short-sleeve top with subtle color splashes and fitted blue jeans. An orange scarf (dupatta-style) is draped around her neck. She is smiling brightly while looking back at the man. A pink color streak is visible on her cheek and a red tilak on her forehead. One hand is raised in a dancing pose while the other hand holds a green tambourine (dafli) at hip level.
They are posed back-to-back in a playful celebratory stance, conveying movement and joy.
Background is a soft studio-style gradient filled with pastel powder haze in pink, yellow, and green tones. Clean, no text, no logos, no watermarks.
Soft studio lighting, evenly lit subjects, shallow depth of field, sharp focus on faces, realistic fabric texture, natural skin tones, DSLR-quality detail, cinematic color balance, photorealistic rendering, high resolution, vertical composition (4:5 aspect ratio).