Swipe up from the bottom of the screen.

Open the Photos app .

Select a photo.

At the bottom, tap Edit .

Scroll through the menu and tap Tools.

Tap Best Take .

To change someone’s expression, tap the face bubble from the face selection row.

Your Pixel will give you options of other expressions for the person you chose. Choose your favourite expression for that person.

Tap Done.

From here, you can repeat this for each person in your photo until you have assembled your Best Take.

Tap Save copy.