Selena Gomez talks about Katy Perry song

Actress singer Selena Gomez was all smiles as she performed live on the Good Morning America stage in New York City, New York on September 23, 2010. Selena seems to have a think for rhinestones, her microphone was personalized in pink and black sparkles and her ear buds where just as sparkly.  Fame Pictures, Inc

Selena Gomez says she’s a big Katy Perry fan.

The Disney star loves the singer’s music so much that she recorded one of her songs for her new album A Year Without Rain

“I love Katy Perry! She gave me a song for my second album,” said Selena.

“It’s called Rock God,” the 18-year-old added. “It’s about falling in love with a guy who is a rock star.”

Selena was so pleased with the song she gave Katy a shout-out inside her album cover.

“So in my album thank yous, I wrote Katy Perry you are my Rock God.”