Jack Bruce says Cream is once again rising to the top. The bassist for the legendary rock group said he agreed recently to play an unspecified show or shows later this year with guitarist Eric Clapton and drummer Ginger Baker. Bruce would not say when the reunion would occur, but that it would not be the seven-continent Live Earth shows July 7: "It's a bit later than that.

" Bruce recently told the Scotsman newspaper there was no chance the band would reunite because of long-standing tension between him and Baker. "Then, the next day, it came up we're doing something if I wanted to. Obviously, I'm not going to be the one to say no," Bruce said during an appearance at the Rock and Roll Fantasy Camp.

Representatives for Clapton and Baker have not confirmed the reunion. Infighting and ego clashes between Baker and Bruce go back decades, with Baker once firing his drumsticks at Bruce during a show and Bruce upending Baker's drum kit. THE OSMONDS are reuniting this summer for a television special celebrating a half-century in the entertainment business.

All seven Osmond siblings Alan, Wayne, Merrill, Jay, Donny, Marie and Jimmy are scheduled to be onstage Aug. 13 and 14 for the show being videotaped at The Orleans Hotel Showroom in Las Vegas, publicist Kevin Sasaki said Thursday from Los Angeles. Tickets for the live shows range from $75 to $125.

"The Osmonds 50th Anniversary, starring The

Osmond Brothers, with special guests Donny, Marie, and Jimmy," will be broadcast on PBS stations in March. "At first it was just a tribute to my brothers, but it came together as a celebration of everybody. It's out of control," Jimmy Osmond, the clan's youngest and producer of the PBS special, said Thursday.

He said it will be the first time since the 1980s that the family has performed together. In their 50 years in the entertainment industry, the Osmonds have recorded 142 albums and starred in a variety of television shows, including ABC-TV's "Donny Marie" variety show (1976-1979). 5-year-old son, saying her estranged husband is a liar who is trying paint her as a bad mother.

In a Superior Court declaration filed Monday, Heche said Coleman Laffoon made "heinous false statements" and was not a proper stay-at-home parent. When their son, Homer, stays with Laffoon in Los Angeles, he sends the boy to preschool or leaves him with nannies and babysitters while he "plays pingpong, backgammon and poker and views pornography online," Heche stated. "He holds a poker game at his home every Thursday night and allows Homer to participate," Heche contended.

Heche wants a judge to grant her temporary sole custody of Homer and permit him to attend kindergarten this fall near her home in Vancouver, Canada, where she films the TV show "Men in Trees." PAUL McCARTNEY snagged Natalie Portman to star in his new music video thanks to his fashion designer-daughter, Stella. Portman, 25, makes a cameo as a ghost in the video for "Dance Tonight," a track from McCartney's new studio album, "Memory Almost Full.

" The video had its world premiere Wednesday on YouTube.com. "The connection with Natalie came from my daughter Stella, who makes nonleather shoes that Natalie buys, so I just thought, 'Well, I'll ring her up and just see if she'll do it.

' So I rang her up and said, 'Hey, I'm Stella's dad!'" the 64-year-old former Beatle said in a statement posted on his Web site. Portman, whose screen credits include "Closer" and "V for Vendetta," plays a "futurist electronic ghost" who is summoned by the sound of McCartney's mandolin.

Filmmaker Michel Gondry ("Eternal Sunshine of the Spotless Mind") directed the video. "Memory Almost Full," McCartney's 21st solo album, will be released June 5 in the United States. It's his first release for Hear Music, Starbuck Corp.

's new record label.