When it came to her next release, her management mooted an album of Motown-inspired covers. Disillusioned and dismayed that her (swooping mezzo-soprano) voice had been lost in a chorus of new signings, she felt she was no longer being heard.
It has caused major set backs to his schedule for the forthcoming series of Britain's Got Talent, which is currently in the auditions stage with co-stars Amanda Holden, David Walliams and Alesha Dixon.
“At some points I felt extremely depressed and other times experienced amazing highs, but it got to a place where the downs were outweighing the ups.
The last time we heard from Leona Lewis, X Factor winner turned global superstar, she was in extremis.
Simon was also unfortunately forced to axe X Factor 2014 winner Ben Haenow from his label last week and the previous month suffered the embarrassment of being able to call Louisa Johnson the only winner whose winning song did not reach number one.'Because of the houses we've got there are a lot of water features, so if he ever falls in, God forbid, I've got to teach him not to panic.
“Like most relationships we had our good times and our bad, I will always be grateful for what we shared and the lessons I learned.
Having his say: The music mogul - who is the spearhead behind the single which will feature the likes of Louis Tomlinson and Jessie J - explained that he was left overwhelmed with the 'beautiful' recording on Monday Earlier on in the day, Louis Tomlinson and Jessie J were the latest stars to arrive at the studio to record their parts for the Grenfell Tower charity single.
The One Direction singer, 25, kept a low profile in a white T-shirt and black tracksuit bottoms as he arrived at the studio on the sweltering hot day.