Katy's birthday is October 25th. She enjoys music by Madonna, Cyndi Lauper, and Joan Jett, but her favorite artist is Alanis Morissette. Her favorite colors are pink, blue, yellow, and neon colors, and her favorite foods are crepes and Mexican food. She shares her retro style and love of accessories on her Twitter account @katyperry. David Guetta was born on November 7, 1967 in Paris. He is a DJ and music producer who has collaborated with artists like LMFAO, Estelle, Usher and Flo Rida. He enjoys spending time with his family and wife Cathy. His preferred style is relaxed with sweaters, dark jeans