She was born in Bath, Somerset and grew up in Corsham, Wiltshire. Before studying at the Bristol Old Vic Theatre School, she travelled around the Greek islands.Jennifer finished Drama school and moved to London where she appeared in a number of short films including one titled "Delicate" and one titled "Kidnap" before landing her current role.
She was previously a member of Musical Youth Theatre Company.
She has sometimes been credited as Jennifer Bidall or Janet Biddall.
Jennifer left her role as Jessica Harris in early 2008. She said that she would be open to returning and a petition on the show's website to get her to return has been started by fans. She revealed she is taking time off for a few months to rest and then is interested in getting back to her theatre roots.
Post-Hollyoaks work is so far a radio-play with ex-co-star Gerard McCarthy for 4Radio and a new musical called "The EXtra Factor".
She is still very much part of the Hollyoaks gang and has appeared in publicity events for the show ever since she departed.
She is currently in the Musical Dreamboats and Petticoats at the Playhouse Theatre in London
Jennifer dated EastEnders actor Robert Kazinsky. Rob and Jennifer met at an awards ceremony in April. They later split up blaming the strain of working 350 miles apart - him in Elstree, her in Liverpool. Before this she was in a relationship with a former theatre school colleague a year her junior for 3 years and was linked to co-star Gerard McCarthy.
It was reported in December 2009 that Biddall and Ben Freeman had got engaged after enjoying a whirlwind 8 month romance and on 10 September 2010 Jennifer married Ben Freeman at The Manor House Hotel, Castle Combe. Biddall's former Hollyoaks cast-mate Zoe Lister (Zoe Carpenter) was her bridesmaid. Ben and Jennifer have a baby son together.