Fergie's summer wedding

Singer Fergie poses at the premiere of "Madagascar: Escape 2 Africa" at the Mann Village theatre in Westwood, California October 26, 2008.[Agencies]

Fergie and Josh Duhamel are getting married in June 2009.

The couple - who have been engaged since last Christmas - have finally started planning their nuptials, and are reportedly thinking of a summer ceremony.

A source close to the pair said: "Fergie has just started interviewing wedding planners. She's also working with Chanel designer Karl Lagerfeld on getting her fantasy gown."

It has also been claimed that Fergie, 33, and 35-year-old Josh - who dated for three years before getting engaged - have refused to rush into any planning because they want every minor detail to be perfect. The source added: "They are taking their time to get everything right. They only plan on getting married once."

After announcing the engagement, Fergie said: "I have a big stack of wedding magazines, and I've never picked one up before in my life.

I've been touring for a long time, and I want to go home this summer and spend time with my family and get in the studio and just take some time to think about everything."