"Dad will call me up when my mum's not home and very politely ask, 'Can you order me a pizza please?' I say, 'Dad, you're calling someone to order you a pizza?' He responds in that tone that suggests that I'm the nuts one, saying, 'Yeah!' So I say, 'I'll just bring one over to you,' because I live on the same b**ody street as my parents." Kelly Osbourne plays mother to her rocker dad Ozzy when his wife Sharon is out of town.