Cheryl Cole 'homesick in Los Angeles'

Cheryl Cole is reportedly struggling with homesickness while in Los Angeles.The Girls Aloud singer has apparently been working with a vocal coach in preparation for a role on the upcoming US version of The X Factor. However, The Sun claims that Cole is finding it difficult to be separated from her mother Joan."Cheryl was missing Joan just a few hours after she landed," a source told the paper. "