All the Best Photos from Prince George, Princess Charlotte and Prince Louis' Volunteer Day

Prince George, Princess Charlotte and Prince Louis joined parents Kate Middleton and Prince William for The Big Help Out on Monday following the coronation. See the best pictures from their volunteer day

Family Photo

Kate Middleton and Prince William huddled together with their children, Prince George, Princess Charlotte and Prince Louis, as they captured a photo with all the volunteers for The Big Help Out. The royal family joined the 3rd Upton Scout Group in Slough, a cause close to Kate, who is the joint President of the Scout Association.

Aim Straight

Princess Charlotte looked like a modern-day Katniss Everdeen as she lined up a shot. She even hit a bullseye, says Matt Hyde, CEO of Scouts and co-founder of The Big Help Out.

Dad's Mini-Me

Prince George looked like his dad's mini-me as they rode together in an excavator during their visit to the 3rd Upton Scout Group.

Holding Hands

Kate Middleton kept Prince Louis and Princess Charlotte close as she held their hands while walking on the grass. The event marked Louis' first official royal engagement!

Sibling Bond

The three siblings were all smiles as they donned matching scarves.

Painting Up a Storm

Princess Charlotte showed off her artsy side as she stained some wood during The Big Help Out.

Helping Out

Kate Middleton supervised as Prince Louis helped push a wheelbarrow full of dirt to help reset a path.

Making S'mores

After a long day's work, the siblings took a breather as they roasted marshmallows with Kate Middleton, eventually making a tasty s'more.

Riding with Dad

After Prince George rode around with his dad, it was Prince Louis' turn to take a ride. Prince William was all smiles as he steered the excavator with his son on his lap.

Getting Some Help from Mom

Prince Louis eventually got a little help from mom as he pushed the wheelbarrow to the path.

A Tasty Treat

Prince Louis really seemed to enjoy his roasted marshmallow as the kids joined around the campfire.

Following the Leader

Kate Middleton and Princess Charlotte led the way as they helped out with various activities. Anne Edwards, an adult Scout helper at the event, told PEOPLE Charlotte adorably kept her little brother in line during the royal engagement.

Preparing the Shot

Princess Charlotte looked super focused as she prepped her shot.

Thumbs-Up from Mom

Kate Middleton appeared to give the cameras a thumbs-up as she walked with her youngest, Prince Louis.

Getting Some Advice From Dad

Prince William watched on as his oldest, Prince George, lined up a shot.

Following Mom's Lead

Kate Middleton seemed to point out something to her son as they volunteered during The Big Help Out.

Seeing How It's Done

Kate Middleton got down to Prince Louis' level as they watched the excavator.

Arts and Crafts

Prince Louis got his hands dirty as he did some hand-painting on a wall mural.

Making His Shot

Prince Louis, known for his adorable facial expressions, seemed super concentrated as he lined up his shot.

Leaving His Mark

Prince George also made his mark as he did a handprint on the wall mural.

Lending a Helping Hand

Prince George used a power drill as he volunteered during The Big Help Out.

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