"It was electrifying; his feet moved like liquid," says stylist Jen Rade. Adds a witness, "If there was something wrong with him, you'd never know."

Wearing a new 'Thriller' jacket with fibre-optic lights, Jackson sang 'Human Nature' and vintage Jackson 5 songs, and only stopped performing to correct one of the dancers.

"He did the moonwalk - everything!" says Michael Bush, one of Jackson's costume designers.

Within 24 hours, the star was dead. Rumours and reports of drug use and stress regarding the scale of the upcoming London shows have swirled relentlessly since then, but whatever the reality of his dark world, the state of his health prior to his death can be seen in 100 hours of recent rehearsal footage filmed by promoter AEG Live.

For the full story on Michael Jackson's last days, pick up a copy of this week's WHO magazine, on sale Friday July 3. This 45-page tribute issue features a flip cover and a life-in-pictures farewell that celebrates a true music legend and show-business great.
- The full story on Jackson's kids, plus dozens of photos and portraits of the King of Pop with his young family that have never been seen before
- Inside the Michael mysteries. From his drug use to the chaotic final hours. WHO reveals what really happened.