LOS ANGELES — The wisteria drips from the archway while classical music plays over the loudspeakers. Powder-wigged valets present champagne to guests who gaze at Empire-waist dresses, peer into a room filled with makeup and accessories or head to a stage for a quick oil portrait (actually a digital photo with a Regency England-esque filter).This is The Queen’s Ball: A Bridgerton Experience, an immersive, Instagram-ready confection held in the ballrooms of the Millennium Biltmore Hotel in downtown Los Angeles and tailor made for die-hard fans of the global Netflix hit. The 200 to 300 guests aren’t able to meet Regé-Jean Page, the breakout star of the first season of “Bridgerton,” who declined to return to t …
