Question: Kerry McGregor, was a Scottish singer-songwriter and actress from West Lothian, she climbed to national fame after appearing on the third UK series of The X Factor, where she was mentored by Sharon Osbourne, an English television host, media personality, television talent competition judge, author, music manager, modern impresario, businesswoman, and promoter, and the wife of which heavy metal singer-songwriter?
Sentence (from "Sharon Osbourne"): Sharon Rachel Osbourne ( Levy; born 9 October 1952) is an English television host, media personality, television talent competition judge, author, music manager, modern impresario, businesswoman, and promoter, and the wife of heavy metal singer-songwriter Ozzy Osbourne.
Relevant evidence: Yes