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?

The X Factor was an Australian television reality music competition, based on the original UK series, to find new singing talent; the winner of which received a Sony Music Australia recording contract.  The eighth and final season, branded as X Factor: Next Generation, premiered on Seven Network on 3 October 2016.  Jason Dundas replaced Luke Jacobz as host; with the judging panel consisting of Guy Sebastian, Iggy Azalea, Adam Lambert and Mel B.  The winner was Isaiah Firebrace and his winner's single "It's Gotta Be You" was released after the final.  He was mentored by Lambert, who won as mentor for the first time. <SEP> The X Factor is a British television music competition to find new singing talent.  The eleventh series began airing on ITV on 30 August 2014 and finished on 14 December 2014.  Dermot O'Leary presented his eighth series of the main show on ITV and Sarah-Jane Crawford presented spin-off show "The Xtra Factor" on ITV2, replacing Caroline Flack and Matt Richardson.  Louis Walsh was the only judge from series 10 to return and was joined by former judges Simon Cowell, and Cheryl Fernandez-Versini, and new judge Mel B.  Sharon Osbourne, Gary Barlow and Nicole Scherzinger left after series 10.  Former judge Tulisa returned as a guest judge for the final on 13 December due to Mel B being ill.  The series also saw the lower age limit decreased from 16 to 14, as it was in series 4 and 5.  This was Walsh's final series as a judge before returning in series 13.  It was also the only series in which Mel B was a main judge.  It was O'Leary's final series as presenter on the main show, as he announced on 27 March 2015 that he was leaving to pursue other projects, before returning in series 13.  On 11 May, Crawford also confirmed via Twitter that she would leave her position as "The Xtra Factor" presenter. <SEP> Kerry McGregor (30 October 1974 – 4 January 2012) was a Scottish singer-songwriter and actress from West Lothian.  McGregor died on 4 January 2012 of complications from bladder cancer, a disease she had suffered from for years.  McGregor climbed to national fame after appearing on the third UK series of The X Factor, where she was mentored by Sharon Osbourne. <SEP>  She first came into public prominence after appearing in "The Osbournes", a reality television show that followed her family's daily life. 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.  Osbourne later became a talent show judge on shows such as the British and original version of "The X Factor", from 2004 to 2007, 2013, and 2016 onwards.  She also was a judge on "America's Got Talent" from 2007 until 2012.