Question

Do you get any privileges or something ?

Answer 1

Nothing happens.
The only thing that happens is your trainer card changes colour
(The below colors are for HG/SS)
no stars- red
1 star- blue
2 stars-green
3 stars-pink
4 stars-silver
5 stars-black

this is how you get them:
Defeat the Elite Four
Collect 5 Shiny Leaves on one Pokémon and speak to Ethan/Lyra in New Bark Town
Defeat the records on all 10 Pokéathlon events
Get a 100-Streak in the Battle Tower
Complete the National Pokédex. You need to capture all Pokémon other than Mew, Celebi, Jirachi, Deoxys, Phione, Manaphy, Darkrai, Shaymin & Arceus, giving you a total of 484 in your Pokédex.
Also the nurse will start to say other things.
source: http://www.serebii.net/heartgoldsoulsilver/trainercard.shtml

For other colors, check here: http://bulbapedia.bulbagarden.net/wiki/Trainer_stars

Comments

His answer was actually correct in terms of color, at least for HG/SS. The Trainer Card colors change pretty much every game.

His answer was written with more info than MSBU's, then MSBU edited his ansswer.

Read the edit info, look at the times. Then look at the bulbapedia link.

I might be defensive too if people were telling me I was wrong when I was in fact with correct information. And when I answered with more info first. Everybody who downvoted this answer please remove your downvote. I also gave this best answer, for a variety of reasons.

Artist KS, I apologize for the behavior exhibited here. I hope it will not happen again, to you or to any other user.

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Maybe because he didn't the color that was on the bulbapedia want me to edit the names that are on the site even though his are technically right? The colors are Red(No Stars),Cobalt(1 Star),Olive(2 Stars),Violet(3 Stars),Gray(4 Stars),Black(5 Stars).

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thanks trachy :)

Answer 2

Nothing happens, but you've pretty much beat the game if you do.

However, some NPC's talks are changed:

Although the Trainer stars and color changes are for the most part aesthetic, certain NPCs like the Pokémon Center Nurse change their greetings to acknowledge the player's achievement of obtaining 4 or 5 stars.

I also extracted this:

The Trainer card will change color when each star is obtained, and the stars can be earned in any order after the game has been started..

Source

Comments

darn, just a minute in beween

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Why is this flagged?

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Who flagged?

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Ohhh wow, it was artist ks who flagged

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i didnt flag