Katrina Darrell, a 20-year-old model from California wore a skimpy bikini to American Idol auditions that were held in Phoenix, Arizona and now she got her golden ticket to Hollywood. Katrina Darrell was caught on camera wearing a skimpy bikini outfit at the beach in Santa Monica. You can find Katrina Darrell on Twitter and she tweets very often even during late nights for her fans to follow what she is upto. Katrina Darrell in American Idol is a brunette damsel and she had a great time at the beach with her close friend another hottie. Later on they were spotted stepping out and stopping off at the Santa Monica Pier for some grub. Katrina was innovative and turned heads when she appeared with nothing but bikini on stage of American Idol, the popular reality TV show.