Katie Holmes and Tom Cruise held a pre-wedding dinner in Italy for friends and family, including their daughter Suri. The couple got engaged in June 2005.
The Beckhams have become firm friends with Tom Cruise and Katie Holmes. The two women were seen out together at Paris Fashion Week recently.
Jennifer Lopez and her husband Marc Anthony were guests at the dinner. Reports suggest Cruise and Holmes will take part in Scientology ceremony in a town called Bracciano near Rome on Saturday.
Jim Carrey was one of the first Hollywood actors spotted at Rome's Ciampino airport, accompanied by girlfriend Jenny McCarthy.
Fans have been waiting outside the hotel in Rome where Cruise and Holmes are thought to be staying.
Brooke Shields is on the guest list after Cruise apologised for publicly criticising the actress for taking anti-depressants for post-natal depression.
Jada Pinkett Smith is in Italy too for the wedding. The actress starred in Collateral in 2004 with Cruise and Jamie Foxx.
Will Smith has joined his wife Jada in Rome, having arrived a day later.
The world's media has been descending on Italy for the wedding. It is thought the ceremony will take place at the 15th Century Castello Odescalchi.
Dharma and Greg star Jenna Elfman, a fellow scientologist, and her husband, Bodhi, are also going to the wedding. It is thought Holmes will wear a dress made by Giorgio Armani.