Katy Perry's life has completely changed for the better since welcoming daughter Daisy in August. The 36-year-old singer opened up about motherhood in an Instagram Live on Thursday, where she couldn't help but fawn over her and fiancé Orlando Bloom's little girl.«She changed my life and still continues to change my life,» Perry expressed, explaining that she's learned to put Daisy first when it comes to her typically hectic and busy work schedule.