The Big Bang Theory star Mayim Bialik has shared an adorable throwback selfie with Jim Parsons.
Posting to Instagram on Saturday (July 17), the Call Me Kat actress shared a picture of herself in costume as Amy Farrah Fowler alongside her former co-star, who played Sheldon Cooper on the CBS series.
"Mirror selfie," Mayim wrote next to the geek emoji.
Related: Big Bang Theory stars congratulate Kaley Cuoco on Emmy nomination for The Flight Attendant
The image sees Mayim and Jim standing in front of a mirror with equations on, which appears to be a selfie taken while filming a wedding episode.
Mayim's post follows her new show Call Me Kat changing its showrunner for season 2 and Mayim opening up about 'feeling like an outsider'.
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She told Yahoo Entertainment: "I don't know if I felt normal growing up. But I don't think that had to do with the fact that I was a child actor — I think that I came from a really unusual family. So nothing felt normal for me. I always felt different."
Related: The Big Bang Theory star Mayim Bialik's new show gets big shake-up
"Being on television definitely...made me feel like more of an outsider. Being in the public eye is definitely abnormal."
The Big Bang Theory aired on CBS in the US. You can buy the complete boxset now on DVD and Blu-ray.
![The Big Bang Theory: The Complete Series [DVD]](https://hips.hearstapps.com/vader-prod.s3.amazonaws.com/1635169546-511z7qr6EBL._SL500_.jpg?crop=1xw:1xh;center,top&resize=980:* "The Big Bang Theory: The Complete Series [DVD]")
Grand Central Publishing The Big Bang Theory: The Definitive, Inside Story of the Epic Hit Series by Jessica Radloff
![Young Sheldon - Season 1[DVD] [2018]](https://hips.hearstapps.com/vader-prod.s3.amazonaws.com/1567611553-51x7iNbR02L.jpg?crop=1xw:1xh;center,top&resize=980:* "Young Sheldon - Season 1[DVD] [2018]")
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