Leonardo DiCaprio was just 19 years old when he took on the role of Arnie Grape in What’s Eating Gilbert Grape (1993), a performance that would completely change how Hollywood saw him. To prepare, DiCaprio spent time observing and interacting with children and teenagers with developmental disabilities, carefully studying their movements, speech patterns, and emotional responses. He was determined to make Arnie feel real rather than exaggerated, and he intentionally avoided labeling the character