Stars do show parallax, but the amount of parallax they show is consistent with the stars being much further than 1 lightyear. And "proof"? Proofs are for mathematics.

Holograms, iphone screens... what are you even on about? Are you alluding to the firmament, e.g. the idea that stars are merely dots of light painted on a surface very near to earth? Have you been reading the bible or something? Read this instead: https://en.wikipedia.org/wiki/Stellar_parallax If you're going to wander off into lala land, you at least owe it to yourself to understand the theories and evidence you are casually discarding.