Swiss Concord Art Deco style watch customized into a necklace adorned with a whopping 300 carats of diamonds. After Rihanna, it's the American star's turn to wear a watch transformed into jewelry around her neck.

After this gala evening, will Taylor Swift start the trend with “Swifties” around the world? It's not impossible. In any case, although it is not the most practical way to wearing a watch, or tell the time, it is in itself a great way to complete the metamorphosis of the watch.