Katy Perry reflected on her upcoming parenthood as she judged this Sunday's special Mother's Day episode of American Idol.The 35-year-old pop star is expecting a baby girl by her fiance Orlando Bloom and was eagerly anticipating the experience of bringing her up.'I don't know exactly what it means yet to be a mother, although I've always felt very motherly to my friends and my fans and stuff,' she said. 'About to step into the next level':Katy Perry reflected on her upcoming parenthood as she judged this Sunday's special Mother's Day episode of American Idol Try a statement headband like Katy in Cult Gaia £87 Cult Gaia headband Shop the look at Revolve!