The versatile slip dress was as popular in the late '90s and early 2000s as it is now. Nineteen years ago, Kate Hudson wore a lingerie-inspired version with barely there, delicate gold sandals, a look we'd quickly double tap on Instagram. Paired with sneakers and a denim jacket for your day-to-day activities or a pair of kitten heels and a baguette bag for evening events, slip dresses are the perfect all rounder, whatever the decade.