The Sun Online can reveal the former Hollyoaks star has become a hugely successful fitness and yoga instructor since leaving the show and has only acted once since with a guest appearance in Doctors.
She is currently running £5 spin classes at a gym in Liverpool after deciding to step away from acting.
Gemma played Carmel McQueen in the Channel 4 soap between 2006 and 2014.
Carmel was killed off in a train crash after eight years in the village in heartbreaking scenes surrounded by her family.
Gemma last appeared on screen on Channel 5's Hot Body Hot Yoga earlier this year.
She was one of eight participants who took a hot yoga class for an hour late at night.
Fans were stunned at spotting her following the yogi's instructions in the background with other non-famous enthusiasts.
One wrote: "Loving @channel5_tv and the #hotbodyhotyoga show. Just noticed that one of the participants is Carmel McQueen from Hollyoaks!"
Another said: "#hotbodyhotyoga anyone else noticed that Carmel from #Hollyoaks is in the front row?"
Speaking in 2016, she said: "I always wanted to train as a yoga teacher, but when you're in Hollyoaks, you can't really get any holidays.
"When I did, I wanted to be with my family and go away with my husband."
A spokesman for Gemma has been contacted for comment.
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