Claudia was an art dealer from New York that had a sexual relationship with Colin Robbins in order to finance his art, much to the chagrin of Kelly Taylor. After Kelly voiced her disapproval, Colin broke it off with Claudia.In the season 6 finale, Colin called Claudia out of desperation and told her to wire the money she owed him. She was snarky, but told him she would do it, but told him not to ask for more.Bio from 90210 wiki