The whole Instagram economy revolves around liking people's photos and videos. But what if you want to see what you've actually liked or maybe go back and unlike them?
Instagram saves the 300 most recent 'grams you've liked.
open your profile on instagram and click on top right option like this
now click on the option "posts you have liked" like this
now all previous liked posts or pictures will be open like this
you can check them all like this...........