If I delete this app will all my progress be lost?

So I started playing this kardashian game on my iPhone 4 and it has started acting up so I want to delete it and re download it but I don't want to lose my progress because I'm far in the game. If I delete it and re download it will everything be lost?

If the game is server based and has some sort of authentication or facebook login then you can continue your progress. Otherwise you will have to start from scratch if you delete the game.

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