There are many happy birthday stickers that most people like.
Send birthday message with beautiful picture.
Use your photo frame to decorate your photos and send birthday messages.
-It is free until August 2018. Please freely download and use.
-Access iMessage apps: Tap the App Store icon beside the chat field to see your most recently used iMessage app.
-Use stickers in chat: Tap to send, or touch and hold to put stickers on top of a bubble, other stickers, photos, and videos.