Some other celebs in attendance included and his wife , , , , , and performer.
The judge told : 'It was a dream of mine to work on American television.
Speaking of her music, Alesha said that she was on a roll before lockdown, saying: 'I was in the middle of writing some great, really authentic songs, really honest.
Naomi is wearing an outfit by Alexander McQueen.
She went on to enjoy a hugely successful solo career, with her last release being her fourth album Do It for Love in 2015.
In 2013, she led a walk down Westminster Bridge to the Houses of Parliament to raise awareness against domestic violence.