Reality TV star Nicole Richie is planning to marry her partner Joel oadden at the start of December. The couple, who have daughter Harlow (2) and son Sparrow (1) together, have been in a relationship since 2006, and got engaged in February of this year. A source says Nicole was overheard this week telling best friend Christina Aguilera about their plans to tie the knot, excitedly saying, “29 days to go!” According to the source, Nicole plans to throw a decoy event in order to confuse paparazzi, but hold her actual wedding in early December, and has asked gal pal Christina to perform at the event.