formal short navy blue dress Off Shoulder Lace Prom Dresses, Short Navy Blue Lace F – jbydress Bust31.5 inch / 80 cm Waist24.5 inch / 62 cm Hips34.7 inch / 88 cm US Navy Blue A-line Lace Appliques

In general, however, black-tie doesn't mean black, and colour is usually welcome as long as the silhouette feels formal enough (floor-length dresses would be a safe bet)

But yes, I agree Richard, and as mentioned in the piece I think keeping more classic black tie for some events (eg weddings in the US, more serious things) would be good, we dont want to lose that

Main: 95% reclaimed polyester 5% spandex, Lining: 95% reclaimed polyester 5% spandex

Back details:Zipperup

Models height:5'6"

cameron-diaz-louis-vuitton-2004-cannes-film-festival Cameron Diaz in Louis Vuitton at the 2004 Cannes Film Festival A departure from the usual sea of billowing gowns, Cameron Diaz famously brought her laid-back L.A.-style to the Cannes red carpet by wearing a Louis Vuitton midi dress with an undone ponytail