The photos look glamorous but off camera, festivals can be a grind. That’s certainly true in Venice, where it’s common to encounter packed boats, sweaty lines and crowded screening rooms all in a day’s work every September. But Hotel Cipriani — the luxury oasis opened in 1958 and home over the years to A-listers like Sophia Loren, Cary Grant, George Clooney, Julia Roberts and Lady Gaga — opened doors to a chic relaxation escape just in time for this year’s film fest. As part of an expansion of its collaboration with Belmond, Hotel Cipriani now hosts Dior Spa, a “haute wellness” destination that launched in June. Designed by architect Peter…
