An anonymous source said following the party held by the "Hard Candy" singer, actress Gwyneth Paltrow and pop singer Sting's wife, Trudie Styler, were seen stumbling home, the Daily Mail reported Saturday.

"The event was a get-together organized by Madonna for the Sisterhood -- as the girls call themselves -- to celebrate a few things in their lives," the source said of the fundraiser for Kabbalah, a faith based on Judaism's mystical teachings.

The event in London's Soho district also was attended by singer Paul McCartney's daughter, Stella, and several of Madonna's personal fitness experts, the source told the Daily Mail.

"Madonna has just brought out a new album, Gwyneth has just brought out a new film and Stella was celebrating getting Heather (Mills) out of her father's life," the source said of the 49-year-old's celebration.