Complex sentence: She attended Raine's Foundation School, and came to prominence in the BBC hidden camera show, "3 Non Blondes", having also appeared in "The Fast Show" and "Holby City".
Split into simpler sentences: She attended Raine's Foundation School is famous for appearing in the BBC hidden camera show, "3 Non Blondes". In addition to this she has also appeared in "The Fast Show" and "Holby City".