Hang on... was that Prince Charles? Joggers do a hilarious double take after running past the royal as he strolls through Green Park 

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Many of us will have walked past someone we think might be famous before turning to check if it’s really them.

And these joggers did a hilarious double take after running past Prince Charles as he walked in London today. 

The 67-year-old Prince of Wales was spotted strolling through Green Park, close to his home of Clarence House.

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Out for a run: Two joggers breeze straight past Prince Charles (left) as he walks through Green Park in London today

Hold on a minute: The two men turn around to check if they really did just see the Prince of Wales walking past them today

Look who it is: The Prince of Wales (centre) is recognised by other onlookers as he walks through Green Park in London today

Heir to the throne Charles was there to sow seeds for a wildflower meadow named in honour of the Queen.

The royal joined school children to scatter yellow rattle flower seeds to start the new grassland.

He began the Coronation Meadows campaign as a tribute to his mother to mark 60 years since she was crowned.

The project, which was started by Charles in 2013, has created a new meadow in every county in Britain.

The Queen's Meadow in Green Park is the 90th Coronation Meadow - and also marks her 90th birthday this year.

Getting involved: Prince Charles sows the the Queen's Meadow with children as part of his Coronation Meadows project

Teamwork: Charles, who is patron of the three charities running the project, joined local pupils to sow the seeds in Green Park

Sowing the seeds: The Prince of Wales founded the Coronation Meadows project to mark 60 years since she was crowned

Over 97 per cent of the country's wildflower meadows have been lost since the Second World War - amounting to nearly 7.5 million acres.

Charles, who is patron of the three charities running the project - The Rare Breeds Survival Trust, The Wildlife Trusts and Plantlife - joined local school pupils to sow the seeds, and met shire horses being used to harrow the ground.

The roots of the yellow rattle flower tap into those of the grasses around them, giving other wildflowers space to grow.

Rachel de Thame, Plantlife's vice president, called for the people to continue creating new meadows.

Royal appointment: Charles, speaks to the handlers of a couple of shire horses which are being used to harrow the ground

Meeting the horses: Prince Charles was in the park to sow seeds for the wildflower meadow named in honour of the Queen

Making a point: The Prince of Wales speaks to Rachel Milton as she drives a horse drawn carriage in Green Park today

‘The 90th meadow in London is just the beginning. We want to see the meadows revival reach every community and really start to restore the colour and diversity to our countryside,’ she said.

‘And it's not just about the flowers - wonderful meadow plants like ragged-Robin, lady's mantle, burnet saxifrage and eyebright - but the wildlife they sustain.

‘From bees collecting nectar from buttercups to goldfinches feasting on knapweed seeds and common blue butterfly caterpillars eating bird's-foot-trefoil leaves, if we all do our bit to bring wild flowers back - as I've started to do in my own meadow at home - we have a chance to help nature re-build its fragile balance and regain its full glory.’