Roxy Jacenko enjoys a family dinner in Potts Point for her 40th birthday

The celebrations continue! Roxy Jacenko wraps up her 40th birthday weekend with a family dinner in Potts Point – and looks delighted with her Barbie doll cake

Roxy Jacenko wrapped up her 40th birthday weekend on Monday night with a lavish family dinner.

The PR powerhouse and her family dined at the Fei Jai restaurant in Potts Point, Sydney, to celebrate the milestone.

After a hearty meal, she was presented with an impressively detailed birthday cake shaped like a Barbie doll.

The celebrations continue: Roxy Jacenko wrapped up her 40th birthday weekend on Monday night with a lavish family dinner in Potts Point, Sydney. Pictured with her husband, Oliver Curtis, and their children, Pixie and Hunter

Roxy was joined by her husband, former investment banker Oliver Curtis, and their two children, daughter Pixie, eight, and son Hunter, six.

They were also accompanied by two other women. 

The publicist looked effortlessly chic for the special occasion in a black T-shirt and matching loose pants by Heron Preston.

Make a wish, mummy! The PR powerhouse and her family dined at the Fei Jai restaurant

Make a wish, mummy! The PR powerhouse and her family dined at the Fei Jai restaurant

A piece of art! After a hearty meal, she was presented with an impressively detailed birthday cake shaped like a Barbie doll

A piece of art! After a hearty meal, she was presented with an impressively detailed birthday cake shaped like a Barbie doll

Low-key style: The publicist looked effortlessly chic for the special occasion in a black T-shirt and matching loose pants by Heron Preston

Low-key style: The publicist looked effortlessly chic for the special occasion in a black T-shirt and matching loose pants by Heron Preston

She completed her outfit with strappy heels and a Louis Vuitton purse.

Oliver, who works in the finance department of his wife’s PR empire, also looked cool in a Givenchy sweater, white pants and beige shoes.

He carried a bag of gifts for his wife-of-eight-years and what appeared to be a cake box with Roxy’s name embossed in glitter.

Along for the ride: Roxy and her family were accompanied by two other women (right)

Along for the ride: Roxy and her family were accompanied by two other women (right)

Birthday girl: The Sweaty Betty PR founder couldn't wipe the smile off her face

Birthday girl: The Sweaty Betty PR founder couldn’t wipe the smile off her face

Roxy had thrown an elegant soirée at her $6.5million mansion in Vaucluse the night before, which was attended by friends and colleagues.

On Friday, Oliver and Roxy’s staff had surprised her with an early birthday party at Sweaty Betty PR’s Paddington headquarters.

The bestselling author was treated to a spread of treats, including a watermelon birthday cake, antipasto and Champagne. 

Kicking things off! On Friday, Oliver and Roxy's staff had surprised her with an early birthday party at Sweaty Betty PR's Paddington headquarters

Kicking things off! On Friday, Oliver and Roxy’s staff had surprised her with an early birthday party at Sweaty Betty PR’s Paddington headquarters