Iridiscent Effect, is it impossible with Gimp?

[mariah701]

I have been trying to iridescent effect to this grey suit.
does anyone know if it can be dont with gimp and if so could you please aplly it to the following images.
and of course teach me oh wise ones!!





I would to apply this effect



EDIT:
Apparently you cant add images the easy way on the forum
https://imgur.com/onm0LAJ

https://imgur.com/a/Uct1DOH

https://imgur.com/a/y8gTx6z

https://imgur.com/a/Qe04BkW


and again this is the effect I would like to be able to replicate
https://imgur.com/a/izGNpa3
https://imgur.com/undefined