Lisa Snowdon, 47, braves the rain as she dons a blue poncho at a theme park in ...

She is a doting auntie to her niece and nephew, Willow and Finley.

And Lisa Snowdon ensured that her sister Lesley Anne's children still had a fun-filled day despite the dreary British summer weather on Wednesday afternoon. 

The TV presenter, 47, accompanied her family during a day out at Chessington World of Adventures in Surrey, where they enjoyed high-octane rides and spent time meeting the zoo animals.

Wahey! Lisa Snowdon ensured that her sister Lesley Anne's children still had a fun-filled day despite the dreary British summer weather on Wednesday afternoon

Wahey! Lisa Snowdon ensured that her sister Lesley Anne's children still had a fun-filled day despite the dreary British summer weather on Wednesday afternoon

Ensuring that the rain didn't get them down, Lisa and her family donned colourful ponchos in a bid to stay dry in the wet conditions at the adventure park. 

The group all appeared in high spirits and were still all smiles as they waved their arms in the air while hopping on a train-themed ride together.

Lisa and Willow also posed playfully outside the Room On The Broom attraction, as the TV personality wrapped her arms around her niece for the sweet snap.  

Welcome to the house of fun! The TV presenter, 47, accompanied her family during a day out at Chessington World of Adventures in Surrey

Welcome to the house of fun! The TV presenter, 47, accompanied her family during a day out at Chessington World of Adventures in Surrey

Keeping dry: Ensuring that the rain didn't get them down, Lisa and her family donned colourful ponchos in a bid to stay dry in the wet conditions at the adventure park

Keeping dry: Ensuring that the rain didn't get them down, Lisa and her family donned colourful ponchos in a bid to stay dry in the wet conditions at the adventure park

Keeping dry: Ensuring that the rain didn't get them down, Lisa and her family donned colourful ponchos in a bid to stay dry in the wet conditions at the adventure park

Loving life: The group all appeared in high spirits and were still all smiles as they waved their arms in the air while hopping on a train-themed ride together

Loving life: The group all appeared in high spirits and were still all smiles as they waved their arms in the air while hopping on a train-themed ride together

Lisa also smiled for a picture with another little boy, who was wearing a reptile mask and a vibrantly coloured jumper during the day out.

It appeared that the family had a stroke of luck, as Willow held a huge fluffy toy outside one of the stalls were the plush animals were up for grabs.

Lisa opted for a fresh-faced look for the outing, wearing a minimal coat of make-up and styling her slightly damp locks in a loose natural style. 

Winners! It appeared that the family had a stroke of luck, as Willow held a huge fluffy toy outside one of the stalls were the plush animals were up for grabs

Ssssssnakey! The little boy Lisa was posing with was rocking a reptile-themed hoodie

Winners! It appeared that the family had a stroke of luck, as Willow held a huge fluffy toy outside one of the stalls were the plush animals were up for grabs

Cheeky grins! Lisa and her niece prepared to set off on the train ride together

Cheeky grins! Lisa and her niece prepared to set off on the train ride together

Woo! The fun wasn't dulled by the rain as they all flashed big broad smiles

Woo! The fun wasn't dulled by the rain as they all flashed big broad smiles

Underneath her poncho, Lisa rocked a camouflage-print jumpsuit and a pair of chunky white trainers, while accessorising with gold jewellery.

Lisa revealed last month that she has no intention of having children with fiancé George Smart, 40, because she doesn't want to add any pressure to a relationship that is 'perfect the way it is'.

Speaking to The Sun on Sunday's Fabulous magazine, the model said: 'I value our relationship so much that I don't want anything to change and I don't want to put that added pressure on him ore me, because it would.

Let's go! Lisa appeared to let out a laugh as she sat next to Willow on the amusement ride

Let's go! Lisa appeared to let out a laugh as she sat next to Willow on the amusement ride

Hand-in-hand: The duo strolled through the park hand-in-hand

Lisa also smiled for a picture with another little boy, who was wearing a reptile mask and a vibrantly coloured jumper during the day out

Lisa also smiled for a picture with another little boy, who was wearing a reptile mask and a vibrantly coloured jumper during the day out

Carefree: Lisa waved her arms in the air as she made the most of the roller coaster

Carefree: Lisa waved her arms in the air as she made the most of the roller coaster

What can you do! She lifted her arms up in the air in exasperation at the weather

What can you do! She lifted her arms up in the air in exasperation at

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