Kelly Osbourne Daddy's Girl!

0326_kelly_ozzy_Getty_SplashDon't let the purple hair fool you, because Kelly Osbourne has gone back to her roots.

After suffering a seizure earlier this month, the 28-year-old "Fashion Police" star is back on her feet and proving her sense of style is in her genes ... by dressing up in Ozzy Osbourne drag in Warsaw on Tuesday.

Papa don't preach.