Gimme Five: Bonnie McKee's Best Pop Star Stories

Jatnna Nunez

Bonnie McKee visits the Billboard studio.

The songwriter talks about saving Katy Perry's life and how Britney Spears' "Hold It Against Me" happened.

Bonnie McKee has accrued an impressive amount of jaw-dropping pop music anecdotes over a half-decade of writing with artists like Katy Perry, Britney Spears, Taio Cruz and Ke$ha. And when we say "jaw-dropping," we mean that McKee can casually mention how she saved Katy Perry's life one time when she and the superstar were skinny-dipping… or how she talked to Ke$ha about having a sexual encounter with a ghost. McKee, in fact, is a living, breathing treasure trove of awesome behind-the-scenes stories.

While stopping by the Billboard studios to support her new solo single "American Girl," McKee presented her five all-time favorite pop star stories, as the latest entry in Pop Shop's "Gimme Five" series. Listen to all the crazy tales below:

Want more Bonnie McKee? Why wouldn't you? Click here to watch her full studio session -- including an "American Girl" performance and a medley of all of her penned hits -- as well as a Q&A about her unorthodox career path.