Help me recover my old account please!

Hello my name is liz and I've been playing the kendall & kylie app for a while now when all of the sudden I click the app to play yesterday and I was logged off of my saved game! All my clothing items, my krew, my k gems, my money! everything gone! My character's name was Gigi username lizzybug. I even have some screen shots of my achievement. Please tell me u can help me I'm begging you.