yellow vacation dress Cove Smocked Maxi In Primrose Model is a standard XS and is wearing size XS Jules - XS

The $398 silk halter dress Swift wore sold out in minutes

To unravel this part you need to look at a few things: the original photograph, the nature of light and our wacky, wonderful brains

Because after all, when you feel good, you look good!

Simply stunning: Chelsy Davy wore a plunging black satin dress for the occasion Looking good: Prince Harry's ex-girlfriend Chelsy looked lovely in the outfit, which showed off her curves and her trim waist The fashion label credited the then 12-year-old son of David and Victoria Beckham for its rise in sales in the US, Europe and the Middle East after he starred in their Christmas advert last year