Malibu mum: Julia Roberts flashes her famous mega-watt smile as she dotes on son Henry

PUBLISHED: 17:50 EST, 22 September 2012 | UPDATED: 02:06 EST, 24 September 2012

Her mega-watt smile launched her as a world-famous movie star back in 1990.

And Julia Roberts flashed a hint of her famous grin while looking after her son Henry in Malibu Friday.

With her hair damp and pulled back, the 44-year-old Oscar winner flaunted her pins in a loose-fitting black short jumpsuit with matching brogues.

TGIF: Julia Roberts flashed a hint of her famous grin while looking after her son Henry in Malibu Friday

Her energetic five-year-old let his shoulder-length blond hair blow in the wind as he jogged along the sidewalk in an olive green t-shirt, khaki trousers, and black loafers.

The doting mother-of-three was seen carrying Henry's Angry Birds rucksack in front of her body.

Not present today were Julia's seven-year-old twins Finn and Hazel, and husband of a decade, cameraman Danny Moder.

Hurry up, mum! As the 44-year-old Oscar winner carried Henry's Angry Birds rucksack, her energetic five-year-old let his blond hair blow in the wind as he jogged along the sidewalk

Casual cool: With her hair damp and pulled back, the mother-of-three flaunted her pins in a loose-fitting black short jumpsuit with matching brogues

Casual cool: With her hair damp and pulled back, the mother-of-three flaunted her pins in a loose-fitting black short jumpsuit with matching Oxfords

A-lister: The Lancôme ambassador was last seen publicly onstage at Stand Up To Cancer at The Shrine Auditorium

The glamorous A-lister has put parenting first since becoming a mum, and only makes one or two movies a year so she can spend more time with her little ones.

The Lancôme ambassador, last seen publicly onstage at Stand Up To Cancer at The Shrine Auditorium, her three upcoming film projects.

The Mirror Mirror star is producing a biopic of English explorer George Mallory, which will be helmed by Shekhar Kapur.

Mallory and and his climbing partner disappeared 800 feet from the Mount Everest summit back in 1924.

Next year, Roberts will star in the sprawling family saga August: Osage County, which is based on Tracy Letts' Pulitzer- and Tony-winning play.

Julia plays Meryl Streep's eldest daughter and the estranged wife to Ewan McGregor's college professor, who left his wife for one of his students.

And in 2014, Julia will reteam with her Eat, Pray, Love director Ryan Murphy on The Normal Heart.

The 1980's set drama focuses on a gay activist trying to raise awareness about HIV/AIDS, and it also stars Matt Bomer, Mark Ruffalo, and Alec Baldwin.