Credit: Niki Nikolova/FilmMagic

Leave it to Katy Perry to make a tailored cape dress look anything but boring.

The daring singer stepped out in a demure Giambattista Valli design, which was shown on the runway in black and white, only her version was the same shocking pink hue as her ever-changing hair color. She even coordinated her lipstick for a trip to see Ghost: The Musical in London with her mother-in-law Barbara Brand on Monday.

The night before the 26-year-old star performed on The X Factor, where she played the guitar and sang "The One That Got Away," which is the sixth single from her successful album Teenage Dream