Renée Zellweger shines in Sydney with co-star Patrick Dempsey

Renée Zellweger dazzled crowds in Sydney on Monday (Aug. 22) as she joined her Bridget Jones's Baby co-star Patrick Dempsey at a press call. The Hollywood actress looked chic and elegant in a polka-dot burgundy dress at the Sydney Harbour event.

With her blonde hair tousled into loose waves, and wearing just a hint of makeup, 47-year-old Renée smiled as she waved to fans who had gathered at the venue, before happily signing autographs along with Patrick.

TAP TO VIEW GALLERYRenée Zellweger and Patrick Dempsey Renée Zellweger and Patrick Dempsey pose together at the Bridget Jones's Baby press call

Renée touched down in Sydney on Saturday – coincidentally on the same fight as Justin Theroux – with her longtime boyfriend Doyle Bramhall II. She and Patrick are in town to promote the third instalment of the Bridget Jones movies, in which serial singleton Bridget falls pregnant shortly before her 43 rd birthday – but there's a hitch; she can only be fifty percent sure of who the baby's father is.

Renée – who famously put on 15kg for the original 2001 film, Bridget Jones's Diary, and again three years later for the sequel, The Edge Of Reason - has revealed that she had intended to put on weight once more for the role, but that director Sharon Maguire had talked her out of it.

Speaking to the Daily Telegraph, Renée explained: "Sharon was hoping that we could show that Bridget has achieved her ideal weight, but at the same time it didn't mean her life was perfect.

Bridget Jones Diary Renée famously put on 15kg to play Bridget Jones in the first movie

"I wasn't sure about that one though because we all have something we think is wrong, that needs fixing, that in our minds represents the ideal we are meant to obtain," she admitted. "And I like the idea that that stays with us throughout our lives."

During an interview with British Vogue earlier this year, Renée described her character as being a "perfectly normal weight".

"I put on a few pounds. I also put on some breasts and a baby bump," the actress laughed. "Bridget is a perfectly normal weight and I've never understood why it matters so much. No male actor would get such scrutiny if he did the same thing for a role."

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