Katy Perry is opening up about how much she's changed since becoming a mom to her daughter, Daisy. The 36-year-old singer covers 's latest issue and talks about her monumental year, which includes giving birth to her and fiancé Orlando Bloom's first child together in August.Perry tells the magazine that Daisy has brought her «wholeness.»«I always felt like I was walking around with a little bit of pain in my heart concerning love,» she says.