You can win money and some rare items. Normally you get a nest ball.
milotic with water (beauty) moves, holding blue scarf
You make its beauty increase examples make it win beauty contests Give it berries that increase beauty
Community > Contests
You have to win contests. By yodalexis
you go to the next level of Pokemon contests
In Lilycove you can play contests shop at the department store and win an exp share, a type of stone or a master ball. The first time there you battle your rival.
lookandlearn.com
One can try winning the lottery or trying to win contests such as writing contests, photo contests, and many more.
Not to my knowledge.
Enter contests.
win a lot of contests
lots of talent