Paris Hilton and Nicole Richie are “planning something very special” to celebrate the 20th anniversary of ‘The Simple Life’. The pair have teamed up to shoot a reunion special of their reality TV series and they want to get their fans involved in the “iconic” celebrations. Paris, 43, shared on Instagram: “Hey guys, just got home from shooting with Nicole. As some of you may know, we are doing a reunion special to celebrate 20 years of our show, ‘The Simple Life’. “It’s been so much fun and we’re planning something very, very special and I thought the best place to find the people that I would …