purple long dress Mermaid Sweetheart Neck Lace Prom Formal Dress US14 / As Picture size purple evening gowns with sequins. Purple tulle long A line

Her stylist Maeve Reilly later explained to Vogue: We wanted her to wear the hottest dress that existed, and that was it. Instagram content Here on home turf, London-based designer David Koma has been providing A-listers with their post-lockdown party looks

The flirty one-shoulder design screams "fun in the sun" while the sneaky hidden zipper keeps everything in place

In a cultural landscape where engagement reveals often involve thousands of dollars in designer looks, Swift's decision to go with a mid-priced, off-the-rack piece is refreshing

But otherwise, it's perfectly acceptable to pull out a classic LBD, a sharp two-piece that puts a twist on a tuxedo or a silky jumpsuit in the chicest shade to wear on the colour wheel: black