TODAY is the most popular birth day in the UK

The Olympian welcomed her second baby into the world this September, sharing an adorable snap of her three-year-old son Reggie holding his new sister's hand. The caption read: 'Reggie meeting his beautiful baby sister Olivia Ennis-Hill, she was born Saturday night. We are all so in love with her.' Image: Instagram/ Jessica Ennis Hill

The 'Changed the Way You Kiss Me' singer Example welcomed his second baby with his model wife Erin McNaught this September. The model shared the news with her 155k followers on Instagram, with the caption: 'Ennio Stanley Gleave. He arrived this morning after a relatively quick natural and drug-free birth, 3.3kg. Both of us happy and healthy. Just as overwhelming second time round.' The couple also have a three-year-old son, Evander Maxwell Gleave. Photo: Instagram/Mcnaughty

​Tennis superstar reportedly gave birth to her first daughter with fiancé Alexis Ohanian on 1st September 2017. The couple are yet to announce the baby’s name, but her famous celebrity friends have sent their congratulations, including Beyoncé who posted a photo of the tennis star with the caption ‘Congratulations Serena!’ Image: Getty

McFly drummer and his wife Izzy Judd announced they were expecting their second baby together early this year. The couple, who have been very open about their fertility struggles, conceived their first daughter Lola through IVF. The couple shared news of their arrival on Instagram in a cute photo of their new born with 1-year-old Lola with the caption: ‘Lola this is your little brother Kit. X’

Watch what happened when we spoke to Izzy about her book, Dare to Dream, here. Image: Instagram/Harry Judd

Facebook founder and CEO Mark Zuckerberg took to (Facebook owned) Instagram to announce the arrival of his second daughter with his wife Priscilla Chan. The new arrival, named August, is the couple’s second daughter together after welcoming Maxima in 2015.

Mark also used Instagram to announce his paternity leave plans in a cute post of Max with the caption ‘our new daughter is coming soon so I’m planning to take two months of paternity leave. I’m looking forward to bonding with our new little arrival and taking Max on adventures. I’m pretty sure the office will still be standing when I get back.’ Image: Instagram/Mark Zuckerberg

Pussycat Doll and TV personality Kimberly Wyatt announced the birth of her second child on 24th August 2017. Sharing a cute photo of her new born daughter with her tongue poking out, with the caption: ‘So happy and proud to introduce our little girl, Maple Lyla Rogers #proudmummy #family #love’. Kimberly and her husband Matt also have a 2-year-old daughter together named Willow. Image: Instagram/Kimberly Wyatt

Model Rosie Huntington-Whiteley and fiancé Jason Stratham announced the arrival of their first baby on June 24th. Their baby boy, named Jack Oscar Statham was 8 pounds 8. Rosie shared the news with her fans on Instagram in a cute photo holding her baby’s hand, with the caption: ‘Our little man arrived! Jack Oscar Statham – 8.8lb on Saturday June 24th.’ Image: Instagram/Rosiehw

Beyoncé gave birth to her twins, Rumi and Sir Carter on 19th June 2017. Sharing the news with her fans on Instagram a month later, Beyoncé can be seen draped in a robe, wearing a veil and cradling her new arrivals. The Hollywood couple also have a 5-year-old daughter named Blue Ivy together. Image: Instagram/Beyoncé

Hollyoaks actor Jennifer Metcalfe, who plays Mercedes McQueen on screen, became a mum for the first time with boyfriend Greg Lake. The couple named their new born son Daye Lake, a name Jennifer has since admitted she made up herself! Image: Instagram/Jennifer Metcalfe

The Made in Chelsea couple announced they were expecting their first child together late last year, and new dad shared the news that they had welcomed baby India on 12th June. In the post, captioned ‘IM A DADDY’ JP can be seen holding his new daughter’s hand. The couple have since gone on to star in their own spin-off series ‘Born in Chelsea’. Image: Instagram/Joshua Patterson

Amal Clooney gave birth to twins Ella and Alexander on 6th June. Her husband George Clooney’s publicist Stan Rosenfield announced the news, saying both are: ‘happy, healthy and doing fine’, before jokingly adding ‘George is sedated and should recover in a few days.’ Image: Getty

​New Girl actress Zooey Deschanel and her husband Jacob Pechenik had their second baby together in May this year, a son named Charlie Wolf. The couple also have a 2-year-old daughter Elsie Otter together. Image: Getty

TOWIE star Amy Childs became a mum for the first time on 30th April, naming her first daughter Polly Childs-Wright. Amy has since announced her split from Polly’s father Bradley Wright. Image: Instagram/Amy Childs

England footballer Steven Gerrard welcomed his forth baby with wife Alex, named Lio George. The couple have three daughters together: 13-year-old Lilly-Ella, 10-year-old Lexie and 5-year-old Lourdes. Steven shared the news with his fans on Instagram with an announcement card with the following caption: ‘Lio George Gerrard was born this morning at 4.55am. Both are doing great. Our family is complete.’ Image: Instagram/ Steven Gerrard

Bradley Cooper and his beautiful model girlfriend Irina Shayk was reportedly born on 21st March in LA. Although the couple have not officially confirmed the news, they’ve been spotted out with their new arrival, who according to E! News is named Lea de Seine Shayk Cooper. Image: Getty

After a rather silent pregnancy, Cheryl shared the arrival of her first baby with partner Liam Payne in an Instagram post on Mother’s Day, with the caption: ‘On Wednesday 22nd March Liam and I became parents to an incredibly beautiful, healthy baby boy, weighing 7lb 9 and looking like a dream. Although he still doesn’t have a name he is already stealing hearts. We are madly in love and overwhelmingly happy with our little arrival. Happy Mother’s Day to all the mothers around the world. A day that now has a different meaning to me forever.’

Since then, we’ve not seen a lot of photos of Baby Bear Grey Payne, although the couple have said this is because they want him to be able to decide what to share with the world when he’s old enough. Image: Instagram/ Cheryl

Whilst the couple haven’t officially announced the news, Benedict Cumberbatch and wife Sophie Hunter reportedly gave birth to a baby boy on March 3rd at the Portland Hospital in London. It’s thought that they have named the baby Hal. The couple have a 2-year-old son, named Christopher. Image: Getty

Rochelle Humes gave birth to her second daughter, Valentia Raine with Husband Marvin Humes in March this year. The singer shared the news with her fans on her Instagram page, sharing a photo of her with her new born baby with the caption: ‘Our world is now complete. Valentina Raine Humes – Happy birthday little one…’ The couple also have a 3-year-old daughter Alaia-Mai together. Image: Instagram/Rochelle Humes

Billie gave birth to her second baby, Arthur, in March this year. Despite keeping her fans guessing on the baby’s name for a while, she shared a photo of her fiancé Greg Sheperd carrying their new born in a car seat, with the caption: ‘Welcome to the world our beautiful baby boy, we love you more than words can describe, you are truly perfect in every way…07/03/17.’ The couple also have a 3-year-old daughter named Nelly Samantha Shepherd. Image: Instagram/Billie Faires

The Oscar winning actress was noticeably missing from this year’s awards, as she was welcoming her second baby into the world. The baby girl, named Amalia Millepied is Natalie’s second baby with her husband Benjamin Millepied. The couple also have a 5-year-old son Aleph. Image: Getty

Former Spice Girl and her husband Christian welcomed her second baby, Montague George Hector on 21st January 2017. Sharing the news on Instagram, Geri Horner shared a cute photo of her new arrival’s foot, with the caption: ‘Montague George Hector Horner arrived this morning, a beautiful little brother for Bluebell and Olivia #amazingday #grateful #monty’.

The star also tweeted, ‘Christian and I are delighted to announce our baby boy was born this morning weighing 7lbs 8oz.’ Baby Montague’s middle name is reportedly a tribute to Geri’s late friend, George Michael. He is also said to go by the nickname Monty. Geri also has a 10-year-old daughter Bluebell. Image: Instagram/Geri Horner