She suffered from scoliosis and had a major operation on her back. She then had to relearn how to walk. 6 months later, she won a ballet championship.
Before becoming a national television personality, she was a professionally trained dancer and fitness instructor.
She is from Liverpool, England. She has a younger brother named Ethan and her mom's name is Paula Allen. She dated rapper Myles Stephenson from mid 2018 to August 2019. Fellow reality star Brandon Myers later became her boyfriend.
Former Love Island contestant Olivia Buckland expressed her fandom toward a Gabby and Marcel relationship via social media.