Portrayed by Jennie Mc Alpine, the character first appeared on screen on 20 April 2001.
Initially appearing for five episodes, Mc Alpine's contract was soon extended and Fiz became a regular character.
Rylan compared Abby to her previous role, Lizzie Spaulding on Guiding Light, saying they were both wealthy rich heiresses who cause trouble.
The role was portrayed by Darcy Rose Byrnes as a child until 2008, when the character was rapidly aged to a teenager, with Hayley Erin assuming the role the following year.
In 2010, the character was rapidly aged again to an adult, with Marcy Rylan cast as Erin's replacement.
At the time, Franklin said she was suffering from swollen feet and had to skip the funeral so she could perform later that night at Radio City Music Hall in New York, which she said she was contractually obligated to do (seen here earlier this month)Five years later, Franklin feels that time is now.
While the story that Houston was Franklin's goddaughter has been part of her story for decades, Franklin said she first met Houston when Houston was a child - and she was far too busy to be anyone's godmother.
The pin-up set off her look with a gold chain hanging from her decolletage.
She wore her long tresses down in loose waves and set off her pretty features with minimal make-up.
Franklin saw Warwick last week at the Tribeca Film Festival's premiere of mentor Clive Davis' documentary, 'Clive Davis: The Soundtrack of Our Lives,' and she also performed.
She appeared on Britain And Ireland's Next Top Model back in 2012.
While her season of BINTM crowned a then 18 year-old Letitia Herod as the winner, it is Louisa who has proved to be the true success story.