Stretch marks

Ok so I'm 15 years old and skinny with a pretty small butt but kinda big boobs.

I just started to see stretch marks on both of these parts and it's really messing with my self-confidence because these are supposed to be the "sexy parts" but now I have red lines all over them and I feel embarrassed to wear a bathing suit because people point them out.

Is there way to make them go away or will I just have to accept that my body is changing and learn to love it just the way it is?

Side note: I have so much respect for the women who are able to love their stretch marks but I see that most of the women who love them are pregnant or already had children. I can see how they would be proud of them if they represented their path to a family but I'm still young and it's hard to proud of something that I barely see anyone with my age struggle with.