The world's most famous conjoined twins have previously said they dream of getting married and having their own children one day.
Abby and Brittany Hensel, 33, rose to fame when they were just six-years-old as they appeared on an episode of the Oprah Winfrey Show back in 1996.
To give it the proper medical name, Abby and Brittany are dicephalic parapagus twins, which gives them the appearance of having two heads and one body.
It is very much seen as a rare condition with only a few people surviving until adulthood.
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The twins both have their own heart, stomach, spine and lungs, and they each control one leg and one arm each of the conjoined body.
Abby and Brittany can eat, write and complete other tasks separately, though tasks that require the use of multiple limbs require cooperation between the pair for it to work.
Before the twins were born in March 1990, their parents Patty and Mike had no idea they were even expecting two children.
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It was later realised the twins' heads must have been perfect aligned during ultrasounds to give the appearance of just one fetus developing.
The girls were not even expected to make it through the first night, but are now still going strong 33 years later.
Many options were discussed for what was best for the girls, but separating them was never considered by Patty and Mike as they feared they might die or be left with severe disabilities if the surgery was attempted.
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Abby has previously said: "We never wish we were separated because we would never be able to do all the things that we do now, like play softball, run and do sports."
The pair even once starred in their own reality TV show, giving viewers a insight into their unique life which saw them graduating high school, passing their driving test and generally living very happy lives.
As Abby & Brittany began on TLC, the pair spoke to the Daily Mirror about how they wanted to prove to the world they are totally different personalities.
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Back in 2012, they also dreamt of marriage and having children of their own, with Brittany saying: "The whole world doesn’t need to know who we are seeing, what we are doing and when we are going to do it.
"But believe me, we are totally different people.”
Meanwhile, Abby added: "Yeah, we are going to be mums one day, but we don’t want to talk about how it’s going to work yet.”
The pair both have their own degree, before heading off for a career in teaching.
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Together, they teach fourth and fifth grade kids with a focus on maths in a role they've held since 2013.
Callum Jones