Cowell was also one of the show’s hosts alongside Sharon Osbourne, Louis Walsh, and Nicole Scherzinger.
The couple recently bought a home in Savannah, Georgia, and is in the middle of renovating their dream home.
“There’s no one I’d rather eat an entire platter of sliders with after a dream of a week." Joanna wrote
The two were first linked in August 2020 and have been keeping a low profile on their affiar.
"In my friend group, I'm the only polyamorous person, and I have the least sex out of all of my friends," she said
Shirley died “beautifully and peacefully and surrounded by love."