Complex sentence: Bell's career was first sparked after painting portraits for the late John Gotti, which led to portrait commissions for actors who play Mobsters in movies and on television from "The Sopranos", "Goodfellas", "A Bronx Tale" and many more.
Split into simpler sentences: Bell's career was first sparked after painting a portrait for the late John Gotti. This led to portrait commissions for actors from "The Sopranos", "Goodfellas", "A Bronx Tale" and many more.