The costume designer for Melrose Place seems to have taken a liking to Nicole Richie's designs.
Katie Cassidy aka Ella Simms has already worn pieces from her jewelry line - here and here
On the episode called "June" Ella was spotted rocking two new House of Harlow 1960 items - the gold onyx ring and the 14kt yellow gold plated hinged cuff with black leather.
House of Harlow 1960 gold onyx ring
House of Harlow 1960 14kt yellow gold plated hinged cuff with black leather