Became known as the younger sister of television actress Dani Harmer. She has worked as a hairdresser.
She did not want to follow her sister in front of the camera, instead electing to be a makeup artist behind the camera.
Dani began her acting career the same year Betsy was born.
Her mother Jill is the director and principal of The Dani Harmer Academy of Performing Arts while her father Andy is a mechanic. She has a niece named Avarie-Belle. She frequently posts pictures with her boyfriend Ben Cooper on Instagram.
Her sister did not reprise her role from Tracy Beaker like Mia McKenna-Bruce who played the same part in Tracy Beaker and The Dumping Ground.