One and a Half Men! Ashton Kutcher teaches a young boy how to fish on Malibu river trip

They say that if you teach a man to fish you can feed him for a lifetime.

And one lucky youngster received such a lesson from none other than Ashton Kutcher.

The Two and a Half Men star was spotted helping an unknown child to fish as the duo spent a relaxing day by a river in Malibu on Sunday.

Fishing lesson: Ashton Kutcher teaches a young boy to fish by a river in Malibu

Ashton, 35, was spotted teaching the boy how to reel in the catch, with the pair enjoying two fish in a picnic lunch.

The actor, who was looking handsome in a blue and white lumberjack shirt, jeans and a green baseball cap, made sure to take plenty of photos on his phone of the day out.
His young companion was wearing a similar outfit to Ashton, with a green checked shirt, matching sweat pants and some crocodile-design wellingtons.

Down by the river: Ashton Kutcher seemed to be having great fun as gave tuition to a child

Expert instruction: Ashton looked like a seasoned fisherman as he helped the youngster reel in a fish

Keen: Ashton's young companion seemed enthusiastic to learn how to fish

Playful: The youngster, who wore crocodile wellingtons grabbed Ashton's cap

Meanwhile, Ashton’s romance with Mila Kunis is reportedly going from strength to strength.

The pair spent Christmas together in Aston's Iowa hometown and are rarely seen without one another when work doesn't keep them apart.

'They talk about getting married and having kids,' a friend of the pair recently told US Weekly. 'An engagement is imminent.'

Love for the outdoors: Ashton wore a comfy lumberjack shirt for the day out

Concentration: Ashton seemed serious and intent on a catch during the fishing outing

Success! Aston proudly holds a small fish that the duo caught from the river

Picnic lunch: Ashton and the small child ate the fish they had caught at a riverside table

A successful day: The pair looked tired but happy as they made their way home after a day of fishing

Despite knowing each other for 15 years after meeting on That Seventies Show, they only started dating two years ago, following Ashton's split from Demi Moore.

The couple are currently busy with acting projects, with Ashton currently in the 11th season of Two And A Half Men, while Mila is the voice of Meg Griffin on the 12th season of Family Guy.

The Ukrainian-born actress will also star opposite Tatum Channing in the sci-fi film Jupiter Ascending, which comes out July 18.

Mail Online has contacted a representative for Ashton Kutcher for comment.

Casual style: Mila Kunis stepped out makeup-free in Hollywood wearing a black top and grey sweatpants

Sporty: A keen gym-goer, Mila wore grey sweatpants and may have been working out

Natural beauty: The Black Swan actress appeared to be wearing minimal makeup

Laidback: The actress looked comfortable in her sports gear, while she carried a red leather tote for her essentials

Cute couple: Ashton and Mila are often spotted together and have sparked rumours of an imminent engagement

Source: DM