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Fall Out Boy rocker Pete Wentz and singer Ashlee Simpson will marry this weekend in a 'top secret' location, according to Us Weekly.
The magazine sites a source close to the couple as saying guests have been sent save the date notices instead of invites.
According to the source the rehearsal dinner - an "intimate affair" for "family and close friends only" - will be held on Friday.
On Saturday the guests will be transported in shuttles to the secret wedding location.
Simpson, 23, is reportedly expecting her first child with Wentz, 28.
Wentz recently joked his upcoming wedding to Ashlee Simpson would be based on hit movie Gremlins 2.
The Fall Out Boy bassist - who got engaged to the singer earlier this year - loves the film, which sees green mischievous monsters take over a New York building.
He said: "I think we're going to have our theme based around Gremlins 2! We could have it take place in a mall and there could be little green naked monsters running about! We could even have Gizmo as a guest!"
Gizmo is a cute, good-natured furry creature called a Mogwai. In the film he is exposed to water which makes him create new Mogwais. However, if they are fed after midnight, they turn into the disruptive Gremlins.
Pete recently revealed he wouldn't be helping his fiancee design her wedding dress.
The star - who launched his Clandestine fashion line four years ago - has no interest in dressing his future wife for their forthcoming nuptials.
He said: "I would not even try to step in and design Ashlee's wedding dress. I don't think she would want that - thank God. I wouldn't marry anyone who wanted a wedding dress designed by me."
- BANG! SHOWBIZ, NZHERALD STAFF
