Google’s Gemini Nano Banana—powered by the Gemini 2.5 Flash Image model—is lighting up the internet this festive season. The trend lets users turn their selfies, couple portraits, and family photos into breathtaking Diwali posters brimming with light, color, and cinematic flair. Whether you want dazzling diyas or Bollywood-style charm, using the right prompts can make your image look straight out of a designer ad poster.
Here are 25 creative Gemini Nano Banana prompts to try and make your Diwali 2025 photos shine brighter than sparklers.
Glamorous Portrait Prompts
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“Create a Diwali portrait of me wearing a royal lehenga with gold embroidery, holding a diya under golden fairy lights, with cinematic bokeh lights in the background.”
“A Bollywood-inspired