10 photos that prove Princess Diana and her sons were a tight-knit trio

Remember all the times that the late Princess Diana looked so close to her sons Prince William and Prince Harry? The trio loved spending time together, whether it was playing in the garden, going on holiday to ski or to the beach or even for a fun-packed day at an amusement park. We'll never forget those fantastic snaps of Diana and sons being splashed by water on the log flume at Thorpe Park!

So because we in the mood to reminisce, we've rounded up 10 adorable pictures of Diana with her boys – some of the sweetest moments where they looked like a real tight-knit trio. Enjoy…

Playing the piano

Aw, how cute are little William and Harry at the piano? The year was 1985 and Diana was just 24. The photo was taken at Kensington Palace. Sweet Harry looks like he knows exactly what he's doing as he taps on the piano keys.

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On holiday in Scotland

So cute! The young princes dress in matching lemon shorts and white tops for their plane trip to Scotland in August 1986. Little Harry gets a helping hand from mum with the tricky steps as they leave the plane.

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Family pony day

Oh just look at cute Harry leading his big brother on a pony in the grounds of Highgrove in July 1986. Mum oversees the fun and the pony enjoys a big mouthful of lush grass!

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Together at Highgrove

Diana and her sons take in the country views as they stand by a fence together at Highgrove in Gloucestershire in 1986. We adore Harry's sweet dungarees and just look at the boys' smart shoes! We bet they didn't stay clean for long.

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A holiday cuddle

Now that's a good family cuddle. Here we see the late Princess and her young sons sitting together while on holiday with the Spanish royals. The snap was taken at the Marivent Palace in Palma de Mallorca back in August 1987.

A trip to the circus

Another fun trip for the three royals as they dress up in their finery for a visit to the children's circus, Le Cirque du Soleil, back in August 1990.

Skiing together!

Diana places a protective hand on Harry in this snap, as the trio take the chair lift during their ski holiday in Switzerland in April 1991. Prince Charles later joined them after completing his royal engagements.

That Thorpe Park pic

What a blast! We loved seeing Diana let loose and get soaked on a water ride with William and Harry back in 1993. The trio looked like they were having the best time at Thorpe Park near London.

A snowy sleigh ride

What fun! The royal trio looked so cosy as they enjoyed a sleigh ride together in Austria in 1993. The princes' nanny Olga Powell and police bodyguard Trevor Bettles sat in the back.

At Niagara Falls

Diana, William and Harry donned the obligatory waterproof jackets for their trip to tourist spot Niagara Falls in Canada in 1997. The mum and sons took a ride on the Maid of the Mist cruiser to get a closer look at the amazing waterfall.