Katy Perry is a pop American singer first single ":I kissed A girl and I liked it"
That was a great song with a pretty catchy beat. She is very attractive as well.
Teenage Dream was her Third album 
I think that her fourth album Prism was probably the best,
working with producers Glen Ballard, Dr. Luke, and Max Martin. After adopting the stage name Katy Perry and being dropped by The Island Def Jam Music Group and Columbia Records, she signed a recording contract with Capitol Records in April 2007.
Perry rose to fame in 2008 with the release of her second album, a pop rock record titled "One of the Boys", and its singles "I Kissed a Girl" and "Hot n Cold". The former track also sparked controversy for its sapphic themes.
Peacock (song)
"Peacock" is a song by American singer Katy Perry, taken from her third studio album, "Teenage Dream" (2010). Because the song was filled with suggestive lyrics pertaining to male genitalia, Capitol Records initially opposed the idea of including it on her record. Similar to what happened with another song of hers – "I Kissed a Girl" (2008) – she refused to withdraw it from the record. "Peacock" was panned by music critics and, musically, was