kakak-kakak saia :) HAHA

Katheryn Elizabeth Hudson (born October 24, 1984), better known by her stage name Katy Perry, is an American singer-songwriter and musician. Perry rose to fame in 2007 with her internet hit "Ur So Gay", and in 2008 with her breakthrough single "I Kissed a Girl".

Perry was born and raised in Santa Barbara, California by Christian pastor parents and grew up listening only to gospel music. After earning a GED during her freshman year of high school, she began to pursue a music career.

As Katy Hudson, she released a self-titled gospel album in 2001. In 2004, she recorded an album with production team The Matrix, but it was never released. After signing on with Capitol Music Group in 2007, she adopted the stage name Katy Perry and released her first mainstream album, One of the Boys. Katy Perry's 2012 hit "The One That Got Away" is on the hot list for hot songs playing now. Perry earned a trophy for the Oscar's for the song.  

Jessica Ellen Cornish (born 27 March 1988), better known by her stage name Jessie J, is an English singer and songwriter. She signed a record deal with Island Records and began recording her debut album, Who You are .