What you need to know: Bonnie McKee has written (or cowritten) some of the biggest songs of the past five years. She wrote "Hold It Against Me" by Britney, "California Gurls," "Last Friday Night (TGIF)," "Wide Awake," and "Part Of Me" by Katy Perry, "Dynamite" by Taio Cruz, and "C'Mon" by Ke$ha.
She just released her own song called "American Girl" which you should watch here.
You should also watch this epic medley of some of her biggest hits.
Reminder: SHE WROTE ALL OF THESE SONGS.