Adele, 24, had featured in Perry's biography, "Katy Perry: Part Of Me" 3D and had said very nice things about her.
"I love the fact that she's going to have a baby. That's so cute of her. She's such a good woman,"okamagazine.com quoted Perry as saying. "And she was really nice in my movie, saying nice things about me. I've always loved her," she added.