Liza Minnelli

collapsed on stage during a performance in Sweden, concert organizers revealed yesterday.

Liza, who has been rushed back to America for medical treatment, was thrilling audiences with her warbling at a Christmas show Wednesday in the city of Goteborg when she passed out as she was walking off stage after her fourth song, said

Zlakto Nedanovski

, a rep for the concert organizers. Nedanovski said Liza was flown back home first thing yesterday.

Liza's rep,

Liz Rosenberg

, said the chanteuse "had complained of dizziness" before the show and "became very ill after the show began."

She said Liza was being evaluated by doctors in New York City.

Philly Sound enshrined

The Sound of Philadelphia is headed to the Rock and Roll Hall of Fame.

Kenny Gamble

and

Leon Huff

, the songwriters, producers, and pioneering black music executives who guided their Philadelphia International Record label through its early 1970s glory years, will be inducted into the Rock Hall in March as the first winners of the

Ahmet Ertegun

award.

The award is named after the late Atlantic Records exec whose music-business clout was so stupendous that, as you might have heard,

Led Zeppelin

reunited in London in his honor.

Oh yeah, a few non-Philadelphians are also getting inducted into the Cleveland hall.

Madonna

leads the list, which includes sexy septuagenarian poet

Leonard Cohen

, instrumental rock band

The Ventures

,

John "This Is Our Country" Mellencamp

, British Invasion band

the Dave Clark Five

, and in the special sideman category, blues harmonica great

Little

Walter Jacobs

.

- Dan DeLuca

'Jackass' goes digital

In an extraordinary coup for culture, the third film in the revered,

Johnny Knoxville

-starring Jackass series,

Jackass 2.5

, will have no theatrical release, but will instead be disseminated entirely on the Internet.

"It's the first broadband movie ever distributed by a major studio,"

Thomas Lesinski

, president of Paramount Pictures Digital Entertainment, announced yesterday.

The feature film will feature unreleased footage from

Jackass Number Two

, plus newly filmed content. Want a taste? The flick can be viewed for free Dec. 19-31 at

. It'll be out on DVD shortly after its Internet run.

Handcrafted Rowling

A handmade, leather-bound collection of original fairy tales by famed Harry Potter creator

J.K. Rowling

was bought for $4 mil by London art agent Hazlitt, Gooden & Fox yesterday at an auction at Sotheby's in London. Its final price far exceeds the $100,000 the auction house believed the book would fetch.

Rowling, who watched the standing-room-only auction via Webcast at her home in Edinburgh, Scotland, said she was over the moon. All proceeds from the sale will go to the Children's Voice, a charity Rowling cofounded in '05.

Rowling composed

The Tales of Beedle the Bard

shortly after she finished her last Potter book. She has crafted only seven copies of the book, which she wrote and illustrated by hand.

Madonna's baby news

In Touch Weekly says the government of Malawi has given its blessings to

Madonna

and hubby

Guy Ritchie

's bid to adopt 2-year-old

David Banda

for good.

Madonna has been David's foster mother since October '06, when she took him from an African orphanage. An anon "pal" told In Touch, "This is the best Christmas gift [Madonna has] ever received."

Discord in Eva's marriage?

Has the sacred love bond between

Eva Longoria

and

Tony Parker

been rent asunder by that filthy whore, Infidelity?

The allegations come courtesy of

Alexandra Paressant

, a fashion model who tells celeb Web site x17online.com that on Sept. 29 she and Tony, a guard with the San Antonio Spurs, engaged in sexual congress at a hotel in Paris.

Tony and Eva, who wed in July in Paris, insist the story is untrue.

"I love my wife," Monsieur Parker said to People mag. "She's the best thing in my life, and I have never been happier." Eva chimed in, "Tony has been nothing short of the perfect husband."

Fox's New Year's lineup

Fox TV says its

New Year's Live

show telecast from Times Square on New Year's Eve will feature performances by

Jordin Sparks

,

Blake Lewis

and

Lifehouse

. But that's not all! Fox will also present the TV permiere of

Mariah Carey

's concert performance of "Shake It Off" from her new CD,

The Adventures of Mimi

.

Contact "SideShow" at sideshow@phillynews.com.

This column contains information from Inquirer wire services.