Who knew that so many different shades of pink could become so fashionable again? The pink trend, sparked by Valentino’s “Pink PP” concept in in its 2022 fall-winter Milan show, has become a mainstay in global fashion scene. Boosted by Greta Gerwig’s recent film “Barbie,” which has been riding on an enormous marketing budget, the pink-based “Barbiecore” trend is not goi.