'Siamese gingers!' Isla Fisher poses alongside lookalike stunt-double as she films new comedy flick Tag... after poking fun at fans for confusing her with Amy Adams

By Monique Friedlander For Daily Mail Australia

Published: 18:25 EST, 20 December 2017 | Updated: 19:45 EST, 20 December 2017

She has been compared to the likes of Amy Adams, Jessica Chastain and Bryce Dallas. 

And Isla Fisher, 41, can add her new stunt-double to her list of lookalikes after posing alongside her for a light-hearted Instagram snap as she filmed scenes for her upcoming comedy flick Tag this week.

Taking to her Instagram page this Thursday, the fiery-haired glamazon shared a snap of herself posing arm-in-arm with her msytery stunt-double, adding the cheeky caption: 'Siamese Gingers #setlife.'

'Siamese gingers!' Isla Fisher, 41, can add her new stunt-double to her list of lookalikes after posing alongside her for a light-hearted Instagram snap as she filmed scenes for her upcoming comedy flick Tag this week

'Siamese gingers!' Isla Fisher, 41, can add her new stunt-double to her list of lookalikes after posing alongside her for a light-hearted Instagram snap as she filmed scenes for her upcoming comedy flick Tag this week

Beaming towards the camera, Isla and her bewigged doppelganger donned matching green polo shirts and black leggings. 

Fans were titillated by the jocular snap, with one commenting: 'Gingers do it best!'

'Two gorgeous women. You look like twins!' another cooed.

'Amy Adams has auburn red hair; my hair is light auburn red!' It comes weeks after Isla debuted a hilarious public service announcement on Jimmy Kimmel Live! explaining the difference between herself and celebrity lookalike Amy Adams

'Amy Adams has auburn red hair; my hair is light auburn red!' It comes weeks after Isla debuted a hilarious public service announcement on Jimmy Kimmel Live! explaining the difference between herself and celebrity lookalike Amy Adams

It comes weeks after Isla debuted a hilarious public service announcement on Jimmy Kimmel Live! explaining the difference between herself and celebrity lookalike Amy Adams. 

'Amy Adams has auburn red hair; my hair is light auburn red. They both starred in Nocturnal Animals but 'Amy Adams played Susan, I played Laura,' she said in the mock-educational video. 

As for their Academy Awards nomination count, Isla clarified: 'Amy Adams has five Oscar nominations. I am a member of SAG.' 

Poking fun at herself: As for their Academy Awards nomination count, Isla clarified: 'Amy Adams has five Oscar nominations. I am a member of SAG'

Poking fun at herself: As for their Academy Awards nomination count, Isla clarified: 'Amy Adams has five Oscar nominations. I am a member of SAG'

Isla went on to joke that she has been guilty of confusing herself with the American starlet.

'Amy Adams played Maya in Zero Dark Thirty. Oh wait, no, that was Jessica Chastain. Okay, maybe it is a little hard to tell us apart!' 

There are other difference that she didn't mention in the fun video- Amy is two years older than Isla at 43 and stands an inch taller.  

'Maybe it is a little hard to tell us apart! Isla went on to joke that she has been guilty of confusing herself with the American starlet

'Maybe it is a little hard to tell us apart! Isla went on to joke that she has been guilty of confusing herself with the American starlet

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