Scott Disick has some explaining to do.
To make matters even WORSE, CB has bad blood with a Kourtney Kardashian. A close friend revealed:
[Image via Splash News.]
In a performance beamed all the way from Newcastle, UK, Katy swung into action at the Billboard Music Awards!
Ch-ch-check out the video (above) to see Katy blow us away so hard, it blows out the candles on our Birthday cake!