They're both big fans of promotional appearances, and last night (May 6)
Nicole Richie and
Joel Madden were spotted at the launch of the House of harlow 1960 Jewelry Collection in Miami, Florida.
The "Simple Life" hottie and her "I Don't Wanna Be in Love" rocker beau looked to be having a wonderful time as they mingled with fellow guests at Ida and Harry at Fontainebleau.