My female colleague recently started to compliment me that I am looking good and other compliments?

Hi All,
Hope you all doing good
I have a female colleague we are not close like we never texted or talked when we are away from office but in office we usually talk or discuss a thing or two she is cool and like we have a normal work colleague but she usually compliments me like these glasses really suits you or your skin looks great what do you use etc but recently I was talking to my other male colleagues and she was sitting ilon her seat and suddenly she turned around and said you were looking really good on that event and she said that multiple time in front of everyone and out of now where the context of the event is it was an office event and we attended it and as I was passing her I said hello and passed her and nothing much happened that's all back to the office so I felt really shy when she complimented me as it was out of no where and I was talking to the guys and there was a sudden silence I just responded back with a thanks I didn't know what else to do well i am an average looking guy but I do workout and I am bigger than the average dude I don't know what to expect I need your help that how should I pursue this should I just let it disappear in the air or should I do something.

Your help will be really appreciated

Thanks everyone
My female colleague recently started to compliment me that I am looking good and other compliments?
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