ICONIC, showing at Arlington Arts until April 24, brings together, for the first time, Julie Bennett’s paintings of her heroes from the music and art worlds. The subjects of this series include David Bowie, Boy George, Frida Kahlo and Patti Smith. London-based Bennett’s works explore her connection to these personalities. Her portraits are more than homage; they express a longing for something unattainable. Bennett (pictured right), driven by a lifelong obsession with music and art, spent her teenage years working at a record shop and later, after graduation as a graphic designer, for top UK m…