If you’re like most people, you probably use Instagram to share photos and updates with your friends and followers. But what if you want to change the chat theme on your account? There are a few ways to do this, but the easiest way is to go to your account settings and select “Theme Options.” There, you’ll find a list of different chat themes that you can choose from. Once you’ve chosen a chat theme, make sure to save it by clicking on the “Save” button. Then, open up Instagram and start using the new chat theme!