How do I send the Celebration screen effect on my iPhone?

iOS 10.2 adds the first new screen effect to the Messages app since the introduction of screen effects in iOS 10.0. To send or receive the new “Celebration” effect on your iPhone or iPad you need to have iOS 10.2 installed on your device. The Celebration screen effect is sent just like any of the other effects, such as lasers or balloons. Here’s how to send the Celebration effect in iOS 10.2 or later: