Adorable 5-year-old REALLY doesn't want her brother to grow up

This is what happens when five-year-old Sadie realises her baby brother Carson won't stay a bright-eyed, chubby-cheeked bundle of cute forever. Her reaction is is so sweet it made us want to cry, too.

Looking pretty adorable herself in a bright Princess Sophie dress, Sadie, from Phoenix, Arizona, wails, "Oh you are so cute!" and "I love your cute little smiles!" while hugging Carson.