Is it normal that I think my boyfriend’s ex is prettier than me?

i know physical appearance isn’t everything, but as a girl it is something that I’m self conscious about.
whenever I show anyone a picture of my boyfriend’s ex everyone says I’m prettier I just don’t know is it me alone or do all girls think their boyfriend’s ex is so much hotter than them?
Is it normal that I think my boyfriend’s ex is prettier than me?
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