Nicole Richie's ex-fiance ADAM 'DJ AM' GOLDSTEIN has been romantically linked to the ex-girlfriend of the socialite's new love BRODY JENNER. Richie, 24, started dating childhood pal and aspiring musician Jenner, 23, last month (AUG06) - three months after ending her engagement to Goldstein for the second time. In July (06), Jenner finished his on/off relationship with LAGUNA BEACH reality TV star KRISTIN CAVALLARI. On Tuesday (05SEP06), Goldstein, 33, attend a Guess party at New York City nightspot Bungalow 8 with 19-year-old Cavallari, sparking rumours they are dating. However, his representative tells the New York Daily News, "AM is dating, but not Kristin Cavallari. They are just friends."