When their parents become pregnant again, their children experience a range of emotions, and the reactions of these teenagers were priceless.
Ana Mello, 20, and her brother Lucas, 17, were left speechless when their parents announced they were expecting their second child.
Their amusing reactions to the news were captured on camera and shared on social media around the world.
The girl is seen crying happy tears, but the boy appears to be in shock and cannot believe what he is hearing!
It can be exasperating for older siblings to learn that they will have a new brother or sister, but that all changes when the new baby arrives and everyone pitches in to make the baby feel at ease.