Boris Johnson’s wife Carrie has welcomed their fourth child together.

Mrs Johnson said the couple is ‘smitten’ with their newborn baby daughter, named Poppy Eliza Josephine Johnson.

The former Prime Minister was pictured cradling Poppy in hospital, after her birth on May 21.

Poppy is sister to Frank, Romy and Wilfred, who was born during the Covid lockdown in April 2020.

Romy was born in December 2021 and Frank in July 2023.

Announcing the birth on Instagram, Mrs Johnson said ‘I can’t believe how pretty and tiny you are. Feel so incredibly lucky. We are all totally smitten.

She added: ‘Not sure I’ve slept a minute since you were born as can’t stop looking at how completely lovely you are.’

Friends of the couple said they left the sex of the baby a surprise, and had been expecting a boy.

Boris Johnson's wife Carrie has given birth to her fourth child with the former Prime Minister

Boris Johnson’s wife Carrie has given birth to her fourth child with the former Prime Minister

Mrs Johnson, 37, said they are 'totally smitten' with their new baby girl whom they have named Poppy Eliza Josephine Johnson

Mrs Johnson, 37, said they are ‘totally smitten’ with their new baby girl whom they have named Poppy Eliza Josephine Johnson

Mrs Johnson posted to Instagram this afternoon to announce Poppy's birth alongside a series of pictures and said she is their 'final gang member'

Mrs Johnson posted to Instagram this afternoon to announce Poppy’s birth alongside a series of pictures and said she is their ‘final gang member’ 

Mrs Johnson wrote ‘Wilf, Romy and Frank are utterly delighted, particularly Romy who was desperate for a little sister. Bring on the matching dresses.’

In the main announcement picture the baby is wearing a yellow babygrow and knitted jumper, chosen because the couple did not know whether she would be a boy or a girl.

Mrs Johnson also kept the pregnancy largely a secret. She gave birth in UCLH and thanked the ‘amazing’ maternity team in her social media post.

Announcing the baby name, Mrs Johnson wrote her nicknames are ‘Pops, Pop Tart’. Her middle name Josephine was chosen after Carrie’s mother.

She also suggested the baby would be the final one for her family, writing: ‘A final gang member.’

She posted a sweet picture of Romy holding her baby sister, as well as a photograph of Wilfred stroking her head.

Mrs Johnson also posted pictures of a pepperoni pizza and a bottle of Pina Colada cocktail, made by the ‘Lockdown Liquor & Co’.

She wrote: ‘Back from hospital now and time for cocktails and pizza with my tiny baby snoozing on my lap. Life doesn’t get any better.’

Poppy has become little sister to Wilfred, Romy and Frank who are 'utterly delighted' to welcome a new member of the family

Poppy has become little sister to Wilfred, Romy and Frank who are ‘utterly delighted’ to welcome a new member of the family

Poppy was born on Wednesday at University College London Hospital and is the couple's fourth child

Poppy was born on Wednesday at University College London Hospital and is the couple’s fourth child

The snaps also showed the Johnsons enjoying cocktails and pizza to celebrate the birth of their newest arrival

The snaps also showed the Johnsons enjoying cocktails and pizza to celebrate the birth of their newest arrival

Mrs Johnson shared an image holding a bottle of a blended Pina Colada in the series of Instagram pictures

Mrs Johnson shared an image holding a bottle of a blended Pina Colada in the series of Instagram pictures

Poppy’s birth comes after Mrs Johnson was hospitalised with pneumonia for nearly a week in January this year.

Posting at the time Mrs Johnson wrote: ‘Hospital confirmed I had flu and pneumonia. I was there nearly a week and I’m still not recovered.

‘It could take another few weeks until I feel like myself again.

‘I didn’t expect to spend the first week of 2025 in hospital. After having a nasty chest infection for nearly 18 days at home over Christmas, it just got out of hand and I was struggling to breathe properly.’

Mr and Mrs Johnson announced their engagement in February 2020 and welcomed their first child, Wilfred, on April 29 that year.

The following year Mrs Johnson gave birth to Romy on December 9, and their second son Frank was born on July 5, 2023.

The Johnsons named Wilfred after Mr Johnson’s grandfather. One of his middle names, Lawrie, is after her own grandad and the other, Nicholas, is after a doctor who treated the former MP while he battled Covid at St Thomas’ hospital in London.

Their daughter Romy is named after Mrs Johnson’s auntie Rosemary. Her middle name Iris is Greek for rainbow and her third name Charlotte was a tribute to Mr Johnson’s late mother.

Mrs Johnson described Romy as their ‘rainbow baby’ following her miscarriage a year before she was born.

After giving birth to Frank, Mrs Johnson said: ‘Welcome to the world Frank Alfred Odysseus Johnson born 5th July at 9.15am. (Can you guess which name my husband chose?!)’

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