Simone Biles isn't being shy about her recent boob job ... going to social media to give her followers some before and after visuals!!

Biles shared the video to her 5.5 million followers on TikTok ... showing off her surgeon's work in several different outfits. Gallery Launch Gallery Instagram / @simonebiles

Her fans flooded the comments with praise ... with everyone loving the update for the seven-time Olympic gold medalist.

"You look so good girl," a commenter wrote.

"You look awesome as always, great to see you happy," another person added.

The 28-year-old went public with her operation in a post in November -- ending fan speculation that she went under the knife.

She shared details of the surgery in a TikTok Q&A, saying it was painful as hell!!

"This s*** hurt so bad."

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