Last Friday, Gemma was forced to slam "stupid" bodyshamers who criticised her for being "too butch" and "manly".
It came after health and fitness fanatic Gemma shared a post-workout photo of herself tensing her muscles.
Roxy, who plays Leyla Harding in the ITV soap, took to Twitter on Sunday afternoon to show that she was very much on Gemma's side, and posed in a photo with a similar pose to Gemma, showing off her muscles.
Roxy captioned the photo: "Post yoga workout #ChaturangaDandasana @MissGAtkinson #buffgirlsrock."
Gemma, who plays Carly Hope in the ITV soap, had hit back at online trolls about the negative comments, saying in a series of tweets: "To those [...] saying I'm 'too butch' & 'training wrong' or 'look like a man' go and research your s**t! I'd just trained and was tensing. Are you all THAT stupid??? Please.
"It's people like YOU that put woman off training and make people feel ashamed to use their body how they want to! Get off your company and go workout! It'll help your confidence & maybe then you won't put others down.."
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