The TV presenter, author and charity campaigner - who survived an acid attack almost 10 years ago - said she is "so thankful" to be having another child with husband Richard Sutton after trying for around a year and a half to conceive again.
"I'm really thinking about adopting a child from the charity that I work with", she told the Mirror shortly after the birth of her daughter.
The pair welcomed their daughter Belle in 2014, and Piper said the three-year-old is excited to become a big sister.
She wrote alongside it: 'Happy Father's Day to the man who is an incredible father to my daughter- a true role model of how wonderful a man can be #fatherdays'.
Team New Zealand boat capsizes in America's Cup semi-final
The whole team - the designers, engineers, shore team and everyone in the office - have dug so deep to make us more competitive. Outteridge said the crew will review video and determine what it would do differently if he goes overboard again.
Another replied: "Congratulations! What lovely news to hear on such a special day, you deserve nothing but happiness xx".
"I asked what she thinks I'm having and she said, "A girl, like me".
'We know what it's like to grow up with siblings, we would like that as well for her eventually.
The pregnancy news also comes after Katie revealed she was unsure whether she would be able to fall pregnant naturally again, due to a problem with her oesophagus that meant she didn't have enough vitamins to help her make a baby.
"There are a lot of kids with burns and parents who have neglected them, and I would like to adopt, to give back a little".
Newt Gingrich: Trump has a 'compulsion to counterattack'
Nobody on Capitol Hill has any proof I did anything with the Russians. The alleged gunman, identified as 66-year-old James T.
The media personality credits her fighting spirit for helping her overcome the adversity the 2008 acid attack brought upon her.
The former model and television presenter debuted her baby bump in a photoshoot for Hello magazine.
She suffered life-changing burns and was left blind in one eye.
Both are now in prison, charged with two life sentences and one life sentence respectively. I'm the woman who got through this.
Brooks for the win
I just didn't drive it as well today as I wanted to, so that would be something I'd work on going forward. This has been quite the confidence-building experience for the 20 year-old who plays at Texas.
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