Mayim Bialik Shares Amazing Throwback Photo of Herself and Jennifer Aniston — Plus See More Celebrity #TBT Pics!

OMG!

Mayim Bialik stunned Instagram users on Thursday, Dec. 3 by sharing an epic throwback photo of herself alongside Jennifer Aniston — and we can't get over how young and fabulous the former costars looked back in the day!

"Yes this is me and Jennifer Aniston in my childhood bedroom," the 39-year-old The Big Bang Theory star captioned the snapshot of her hugging Justin Theroux's wife, 46. "We did a show together before I did Blossom!!!"

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The glorious moment was captured a few years before Jennifer went on to achieve stardom portraying Rachel Green on Friends and Mayim played Blossom Russo on Blossom. The two previously costarred in the short-lived 1990 comedy series Molloy.

Click through the gallery below to see more celebrity #TBT pics!