He and his estranged wife Jacqueline Jossa welcomed their second daughter, Mia, on Monday.
And a day later, Dan Osborne, 26, was pictured making sure his eldest daughter got lots of cuddles as they enjoyed some quality time together.
Ella, three, could be seen nuzzling into her beloved dad’s chest as they left home, following the exciting arrival of the newest addition to the family.
Bond: Dan Osborne cuddled daughter Ella on Tuesday as they were seen for the first time since estranged wife Jacqueline Jossa gave birth to daughter Mia the day before
She’s here! Jacqueline has given birth to her second daughter with estranged husband Dan Osborn (pictured in April)
Dressed in a pretty pink summer dress, Ella is no doubt loving being a big sister for the first time.
The girls, also have a big brother, Teddy, four, from Dan’s previous relationship with Megan Tomlin.
Just hours before, dan had shared the first snap of his baby daughter,.
Happy: Ella, who looked pretty in a pink summer dress, is no doubt thrilled about her new ‘big sister’ status
Inked: Dan showed off his tattoos in a khaki coloured vest on the hot summer’s day
Love: He clearly dotes on his children but has had to defend himself as a father to online trolls
Family: Ella and Mia have a big brother, Teddy, four, from Dan’s previous relationship with Megan Tomlin
But while Dan’s gushing Instagram post was met with a flurry of congratulatory comments from fans, some remarks underneath the photograph stood out for other reasons, scolding him for his alleged adulterous behaviour which has left his marriage on the rocks.
The Instagram user commented: ‘Don’t mess this up and break their hearts again. See what you are holding deserves only the best. A dad that she can look up to.’
Not always one to reply to comments, Dan was compelled to reply, writing: ‘I will always be the best dad they could ever wish for thanks. I’ll never break their hearts, will never let anyone break their hearts in fact.’
Other remarks were similar to this. One follower penned: ‘You broke their mummas heart which in turn hurts their hearts. Trust me, been there [sic].’
A word of warning: Dan has been warned by his followers on Instagram not to break his new daughter’s heart… following claims he cheater on her mother
Hitting back: The Instagram user’s comment prompted a defensive reply
Another posted: ‘Such a beautiful little blessing. But also such a shame she is coming into the world at a time you and jac are no longer together at the start of her life but as long as your both the best parents to that little princess and your other kids you can be then that’s the main thing. Congrats again she is beautiful [sic].’
Someone else posted: ‘Congratulations, time to make it count and show your girls how a man should treat a woman! Remember they look up to you a lot!’
Other remarks were less focused on the negative issues that the Osbornes are currently going through – which saw the pair separate when Jacqueline and Dan separated during Jacqueline’s last stretch of pregnancy amid rumours of his infidelity.
Delighted: Dan shared a shot of his newborn daughter Mia being cradled by the couple’s oldest child Ella just moments after her birth
‘Congratulations on your baby girl, hope you all work everything out, marriages do have teething problems and are tested all the time, ups and downs, good and bad, but when you love each other you get trough it, beautiful couple and beautiful children, enjoy, family is what life is all about,’ someone wrote.
Another defended Dan, writing: ‘I can’t believe some of you would choose the birth of a child to post thinly-veiled, passive-aggressive, attention seeking comments. You should be ashamed of yourselves. One of the many lessons I’m sure.’
Personal trainer Dan revealed the couple had named their baby Mia before uploading an image of himself holding the newborn baby against his chest.
Special moment: Jacqueline also updated fans on the birth after sharing her own photo of the latest addition to their family, admitting it went smoothly
Captioning the shot, he wrote: ‘We chillingggg. I feel truly blessed! She is just perfect.’
The post came shortly after he shared a snap of the couple’s oldest child Ella cradling her baby sister, moments after her birth.
Captioning the shot, an overjoyed Dan wrote: ‘2/3 of my ABSOLUTE WORLD!! Welcome to the world Mia Osborne another little princess. Jacqueline did amazing, she is doing fine and baby is perfect. 25.06.2018.’
Jacqueline also updated fans on the birth after sharing her own photo of the latest addition to their family, admitting it went smoothly.
My little family is complete! Mia Osborne is so beautiful! The birth went well and I can’t thank my family enough,’ she wrote. ‘Me and baby are healthy and resting now. Welcome to the world baby girl!’
The actress gave birth just four days after Dan returned from a stag do in Las Vegas.
On June 15, the EastEnders star wrote that her baby was due in only two weeks time on Instagram, meaning that the baby arrived five days early.
Just a day before, she had shared a picture of her eldest daughter Ella, three, running around in the garden on Instagram stories.
Love: The on-off couple are also parents to three-year-old Ella – Dan has a son Teddy, four, from a previous relationshi
MailOnline has contacted a representative for Jacqueline for comment.
Dan has moved back home to help Jacqueline prepare for the new arrival.
Less than two weeks ago, Jacqueline celebrated her impending birth with a social media post, calling her newborn as a ‘darling princess’.
‘#Girlsworld’: Less than two weeks ago, Jacqueline described her newborn as a ‘darling princess’ in her excited text post and explained that her hospital bag was already packed
‘Hopefully only 2 more weeks of bump and then I can feel myself again!! Exciting times!! And a darling new princess to add to my beautiful family #girlsworld.’ the soap star wrote at the time.
Jacqueline also shared a sweet video of her with some cute bibs as she explained that her hospital bag was fully packed.
In another heartwarming snap, Jacqueline was recently pictured cuddling with a friend’s tiny newborn and captioned the photo: ‘How crazy is it that there is a baby this size inside that bump.’
A lot going on: Jacqueline recently wrote that she was looking forward to giving birth so that she could go back to feeling like herself
Elsewhere, estranged husband Dan was seen sneaking in a last minute holiday with his pals for a friend’s stag do to Las Vegas on Friday.
The TOWIE star and Jacqueline – who also share three-year-old Ella – confirmed their relationship woes in May – less than a year after they tied the knot.
However, the beauty recently explained the pair were still ‘getting on well’, and trying to work through their issues for the sake of Ella and their unborn daughter.
Will they, won’t they? The couple, pictured in 2014, are said to have broken up after a string of rows but are seeing how things go
Skirting around rumours of a divorce, she told OK!: ‘We’ve been through a rough period but right now we’re getting on well.
‘Neither of us knows what’s going on at the moment but we’re spending time together and seeing how things go.’
Shortly after the split, Dan confessed that he left the family home, but a source close to the couple told MailOnline that the reality star moved back ‘for a few days a week’.
However, the actress went on quash these rumours, adding: ‘Dan hasn’t moved back in, but we’re seeing what happens.
‘Getting on well’: Dan and Jacqueline confirmed their shocking relationship woes in May – less than a year after they tied the knot, but recently admitted they were ‘seeing how things go’