Complex sentence: Larter began her modelling career at the age of 14 when a modelling scout discovered her on the street and was asked to star in a "Phillies" commercial, this led to her signing a a modeling contract with the prestigious Ford Modeling Agency in New York.
Split into simpler sentences: Larter began her modelling career at the age of 14 when a modelling scout discovered her on the street. She was asked to star in a "Phillies" commercial and later signed a modeling contract with the prestigious Ford Modeling Agency in New York.