Katy Perry has a “weird” bedtime ritual. The ‘Woman’s World’ singer – who has three-year-old daughter Daisy with fiance Orlando Bloom – is obsessed by her lint roller, but rather than just use the device to remove dust and debris from her clothes, she insists on rubbing it over her feet before she gets into bed at night. Speaking to British Vogue’s ‘In the Bag’ video series, the 39-year-old star said: “I swear by my lint roller. “I will lint roll the bottom of my feet before I get into bed. Is that weird? Do we all have weird things like that? I think we do. I just shared mine with the world.”…