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Holly Willoughby brings birthday boy Chester to work

Chloe Best

Holly Willoughby had a special visitor at the ITV studios on Thursday morning – her son Chester. The proud mum brought her "bundle of joy and delight" into work with her as a treat for his second birthday, and couldn't resist sharing a sweet snap with her fans on social media.

In an adorable moment, the birthday boy can be seen gazing out of the studio windows overlooking the River Thames while clutching a teddy bear. Chester pressed one hand on the glass and rested his knee on the windowsill as he looked out at the passing boats, oblivious to the fact his photo was being taken.

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Holly Willoughby's son Chester visited her at the This Morning studios

"So this little bundle of joy and delight not only came to @thismorning today but also came into the world 2 year ago today! Happy birthday beautiful boy... love ya Chester xxx," Holly captioned the photo.

Holly hasn't revealed what she has planned for Chester's special day, but did share a photo of the youngster attempting to get his hands on what appeared to be a freshly baked birthday cake earlier in the week.

"I see you Chester!!! Got to wait until tomorrow! X #bakingwithbelle #rainbowcake," Holly wrote on Instagram.

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Chester turned two on Thursday

Chester is the youngest of Holly's three children with husband Dan Baldwin, and she recently revealed her pride that he had been potty trained over the summer.

"Chester who turns two at the end of this month… he's decided he doesn't want to be a baby anymore," Holly told her co-host Phillip Schofield. "He won't sit in the high chair, and nappies – he keeps pulling the tabs and taking his own nappy off, so I've got him a potty. But he's done it, we are a nappy-free zone!"

The doting mum also shared a photo on Instagram showing Chester's brand new potty. "Goodbye nappies... Hello potty! His choice not mine! What else can you do when he keeps taking off his own nappy #pottytraining #wecandothis xxxx," she wrote.

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