New Delhi, June 19 -- The first pinned post on Shonima Kaul's Instagram page says it all. Holding a hand shower to her ear like a phone, she poses in a Helen-inspired crystal-studded mini dress with a feather-trimmed hem. It's a kind of swagger hard to find among her peers.

After a decades-long career working in various sectors, Kaul is now a full-time digital creator famous among her 55,000 followers as a woman who proudly celebrates the self-expression of being 50-plus through fun, fashion and fierceness.

In her 2,000-plus posts, Kaul, 51, who's studied mechanical engineering, builds outfits around mood, accessories, different eras, textures, even Mumbai weather. One day, the starting point might be a leopard-print skort bought years ...