Kelly Osbourne is signing off!
The Fashion Police co-host gave E! her walking papers today.
[Image via WENN.]
Well, apparently Selena did such a good job (DUH!) at throwing shade at the Bieby that Dustin recruited her for a cameo in the official music video.
And the pretty single lady DEFINITELY delivers the 'tude!
Ch-ch-check out the sassy vixen do her thang (above)!