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  REUTERS/Eric Thayer
  Actors Justin Timberlake (R) and Jessica Biel arrive for the Metropolitan Museum of Art Costume Institute Gala, "The Model As Muse: Embodying Fashion" in New York, May 4, 2009.

Jessica Biel's wedding dress has been revealed less than one week after she married her long time partner Justin Timberlake in a private ceremony. The actress chose to wear a non-traditional gown on their big day.

Biel, whose wedding photos appear in the latest issue of People magazine, opted for a custom, petal pink Giambattista Valli Haute Couture gown, according to the tabloid.

"It was a total fantasy experience," Biel told People.com.

The 30-year-old actress appeared radiant while sporting side swept bangs and clutching a fresh bouquet of flowers. Timberlake, 31, looked dapper in a black and white traditional tuxedo made by renowned designer Tom Ford.

"It was a really special evening," Timberlake said before describing the song that he sang for Biel during their ceremony. "It was an original piece I wrote specifically for the evening and for her."

The happy couple exchanged "I Dos" before approximately 100 family members and friends in southern Italy on Oct. 19, almost one year after Timberlake popped the question. Wedding guests reportedly included renowned music producer Timbaland, Chris Kirkpatrick, and Biel's "7th Heaven" co-star Beverley Mitchell.

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Guests were asked to travel to the Borgo Egnazia resort in southern Italy for a week-long wedding celebration.

"It was a lot to ask of them to travel, so we figured we'd give our guests a good party!" Timberlake said.

The singer reportedly surprised Biel in December when he proposed in the mountains in Jackson, Wyoming, although she happily accepted.

"It's great to be married, the ceremony was beautiful and it was so special to be surrounded by our family and friends," the couple told People in a statement.

It is unclear how much the Hollywood couple spent on their big day, but new reports suggest that expenses may have topped $6 million. These claims have not been verified, however.

TO SEE A PHOTO OF JESSICA BIEL'S WEDDING DRESS CLICK HERE