The 29-year-old famously lost 36kg, 80lbs, and dropped a massive five dress sizes in October last year.
And now, the Dreamgirls star, who has son David Jr, has reportedly shrunk down to a size zero.
On Friday's edition of US talk show The View, presenter Joy Behar revealed that on a recent shopping trip, she bumped into Jennifer and overheard a salesperson tell her that she was a size zero.
When she asked Hudson how it felt to be that tiny size she replied: 'I feel like they're talking to someone else.'