United Kingdom, May 30 -- Dua Lipa and Callum Turner reportedly plan to tie the knot next week.

The 30-year-old pop star and Callum, 36, announced their engagement last year, and while they originally planned an intimate wedding, they are now said to be having a lavish three-day celebration in Italy.

A source told The Sun newspaper's Bizarre column: "The original plan was for an intimate wedding, but it is now going to be a massive, luxurious affair across three days.

"They have rented out multiple huge venues for the multi-event extravaganza, although the exact details are being kept under wraps due to security concerns, as fans are desperate to catch a glimpse of them.

"The couple have been doing daily workouts at stylish members' c...