MUMBAI: The pregnant American Idol judge Katy Perry, who was a guest judge during season 7 of U.K.'s The X Factor in 2010 is expecting her first child with Orlando Bloom, which saw the genesis of One Direction recalled in a Tuesday conversation with Scott Mills for his BBC Radio 1 show that she spilled the baby beans to Styles, 26, on a plane before announcing her news to the rest of the world.

"We were having a conversation and I was like, 'Yeah, and I'm pregnant,' just off the cuff — 'cause I was like, 'What else do you say?!' " shared Perry, 35.

Styles was "so happy" for her and "so sweet," the "Daisies" singer continued, immediately offering her his seat on the plane to continue their conversation.

"I was crouching down by his seat on the plane and once I had told him that, he got up out of his seat and he's like, 'Here, sit in my seat.' And I was like, 'No! I'll just go and sit in my own seat, which is right across the way,' " said Perry. "But he's a complete gentleman."

The mom-to-be first announced her pregnancy in March, when she premiered the music video for her song "Never Worn White." She later shared via a messy sex-reveal pic starring her fiancé Orlando Bloom that the baby — the first for Perry first and second for Bloom who's also dad to 9-year-old son Flynn — will be a girl.