Simpson, Wentz 'to wed on Saturday'

Ashlee Simpson and Pete Wentz are to marry on Saturday, according to reports.

The couple, who announced their engagement last month, were initially thought to be tying the knot on Friday, but recent rumours suggest Saturday will be the big day.

A source told Us magazine: "Proper invites have not been sent out but guests have been given a save-the-date notice. All guests will be transported in shuttles to the wedding location."

An intimate rehearsal dinner for family and close friends will be held on Friday.

Simpson's publicist denied the rumours, saying: "This is a private matter. There is nothing to confirm."

The couple were first reported to be dating in September 2006.

> Click here for our interview with Ashlee Simpson