From Alexandra Saint Mleux's white lilies to Dua Lipa's Icelandic poppies and sculptural bridal accessories, these recent celebrity brides are redefining what a wedding bouquet can look like.For decades, bridal bouquets followed a familiar formula. Soft garden roses, cascading greenery, seasonal blooms, and enough flowers to fill both hands.Lately, though, something different has been catching our eye.Many of this year's most stylish brides skipped oversized arrangements in favor of something fa