Does anyone know why I look almost identical at 170lbs to how I did at 150lbs?

Anonymous
Around 3.5 months ago I started going to the gym to lift weights and also started tracking how much I ate, in an attempt to gain some weight as I've never liked being skinny. Its gone well overall, I've gained 20lbs and gotten a lot stronger. However I don't seem to look any different. Anybody know how this is even possible? Where are those 20lbs?

Before at 150lbs - https://imgur. com/hE3lG3w, Stn3rwl#0

After at 170lbs - https://imgur. com/hE3lG3w, Stn3rwl#1

You'll have to take out the space before. com as I am not allowed to post links.
Updates
+1 y
Just realised there is a second space in the links, which will also need to be removed.
Does anyone know why I look almost identical at 170lbs to how I did at 150lbs?
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