With Nicole Richie and Joel Madden’s wedding imminent, RadarOnline.com has exclusive new details about the preparations for the wedding which is expected to occur this weekend at her father Lionel Richie’s Beverly Hills mansion.

NEW PHOTOS: Lionel Richie’s Backyard Gets Full Party Treatment

Photos that surfaced Wednesday of Lionel’s backyard confirm RadarOnline.com’s previous tidbit that a stage has been built on top of the pool “so guests have more space to dance.”

RadarOnline.com has learned that the massive lighting structures surrounding the stage are part of an elaborate set up to ensure the party can continue into the evening hours! “It will be fabulous,” a source said, adding that the overall design of the event is still being kept under wraps. The lighting scheme  “will be both indoor and outdoor.”

EXCLUSIVE PHOTOS & DETAILS: Lionel Richie's House Gets Party Ready As Nicole Richie Wedding Looms