Want to personalize your DMs? Here’s a simple guide on how to change chat theme in Instagram and give your conversations a fresh, fun look! Instagram lets you switch to colorful gradients, seasonal themes, and even creator-inspired designs. Just open any chat, tap the name at the top, select Theme, and pick your favourite style. If themes aren’t showing, try updating the app. Master how to change chat theme in Instagram and make your chats uniquely yours!