knee length navy blue casual dress Jessica Howard Womens 6 3/4 Sleeve NWT DA67 care construction Women's Knee Length Dress Cotton

Where to Wear: Prom, galas, black tie receptions, formal weddings, cocktail soirees, milestone birthday celebrations, special date nights, and red-carpet soirees

Its a piece that whispers put-together and a reminder that when it comes to styling, often the simplest of outfits can be the most effective

Instead, it's the blue dress that changes colour all by itself, from blue to white or more accurately, it's the photo that does this

I would still double check the dress code, but most of the time its absolutely fine. I would avoid it unless the couple has specifically said black is ok or the dress code is more formal

Pair with stilettos for a stunning ensemble

Swift is one of six celebrity guests who appear this week on The Graham Norton Show, which was filmed on Thursday and airs on Friday night, hours after the release of The Life Of A Showgirl