Katy Perry will be wearing Roberto Cavalli and Valentino during her tour

Roberto Cavalli created two special outfits for of Katy Perry's Prismatic World Tour, which begins this week.

The first dress has woven crystals, sequins and small colored sticks. The second dress consists of a pleated skirt and leather top with all the colors of the rainbow, which comes with a leather jacket.

Katy Perry tour Prismatic begins on the 7th May from Belfast, Northern Ireland. She will wear a dress of Valentino which was showed last week by a photo in Instagram.