London, March 10 - Socialite Nicole Richie has started planning her wedding to rocker boyfriend Joel Madden, but refuses to divulge the date.

"I've been on the road. I just got home, and so it's really going to be now that's the time for me to sit down and think about what I want," said Richie in an interview.

People.com reports that the couple confirmed their engagement in February, with Richie saying it took becoming a mom for her to realise she was ready to be a wife.

On being asked if they've set a date for the wedding, Richie said: "Not yet, but soon."