Yvonne Strahovski had returned to work to film Handmaid's Tale in July 2019, having given birth to William in October 2018.
She was pictured running errands in Los Angeles while wearing a diamond ring on her left ring finger.
Cowell was also one of the show’s hosts alongside Sharon Osbourne, Louis Walsh, and Nicole Scherzinger.
Now it has been revealed that Braun was the one to pull the plug on their marriage.
She had suffered a miscarriage in 2015.
At least two other women have had made similar accusations.
