It’s very exciting times for mum-to-be Katy Perry, as the star is set to give birth to her first child very soon.The 35 year old pop star, who is engaged to and expecting a baby with actor Orlando Bloom, first announced her pregnancy back in March during an Instagram Live video, and told her 101 million followers at the time: “I've always known I'm a mother, a mother to the kids." Smiling to herself, she added: "But, I'm going to be a mother." Get exclusive celebrity stories and fabulous