She's come a long way since posing squeaky clean with that baby on the Ivory Snow box, and Porn Star Marilyn Chambers is still moving. With her cinematic X-ertions (Behind the Green Door, Resurrection of Eve) playing in movie houses round the country, Chambers, 23, has now begun polishing her moves for a New York cabaret show. Titled "Le Bellybutton" and scheduled for opening this week in New York's Hotel Diplomat, the song-and-dance blackout revue will exhibit Marilyn and a cast of eleven in a multitude of skins. "Of course films are very lucrative," purrs Marilyn, "but this is more lucrative in the way of experience."

"I hated to give them up," admitted Muhammad Ali. But the heavyweight soon kayoed his emotions. Thus on June 9, a pair of 8-oz. gloves and a terrycloth robe will join historical memorabilia like Babe Ruth's bat and Eli Whitney's cotton gin on display at the Smithsonian Institution in Washington, D.C. "It's a great museum with its little cars and trains," observed the champ, who took time out in the capital to mug with a statue of Washington. "My gloves may be more popular," Ali added, referring to the mitts that in 1974 beat George Foreman in Zaire, "but the cotton gin did more for mankind. I'm a man; I'm not no cotton gin."

"We will have very much chic," promised Regine, Belgian-born dynamo of the discotheque set, who last week unveiled the newest of her high-priced nightspots. The sometime singer-actress, notorious for banning the unhip from her clubs in Paris, Monte Carlo and Rio, was all open arms as she offered several hundred guests a preview look at her new dance-and-dining emporium. The locale: Manhattan's Delmonico hotel. The stars: Actress Candice Bergen, Designer Hubert de Givenchy and former Vogue Editor Diana Vreeland. The floor show: a fashion exhibit featuring "ready-to-dance" dresses created by the red-haired restaurateur herself. "I have always, since a child, dream to have my name on Broadway," confessed Regine, 46. "So for now, I have my name on Park Avenue. Then Broadway."

After 28 years of plugging orange juice for the folks at Minute Maid, Crooner Bing Crosby will soon sing the praises of a more potent libation. At a $10,000 bash for the press in Beverly Hills last week, Crosby, 75, and Comedian Phil Harris, 69, announced the formation of their own import company. The pair's first product: Mexico's Herradura Tequila, a blue-chip potable that will sell in the U.S. for $13 a fifth. "It's a natural," says der Bingle. "Phil has been known to take a drink from time to time. If he does half as much for Herradura as he's done for Jack Daniel's over the years, we're in."

One wag suggested that Brigadier General Omar Torrijos might simply have been trying to walk on water. At least Panama's strongman added some excitement to ceremonies marking the partial completion of a dam and hydroelectric plant on the Bayano River last week. Shortly after pushing a button to drop the last of four gates damming the current, Torrijos, 46, suddenly plunged into the river--fully clothed in his national guard uniform, with military boots and a .45 automatic. He was immediately followed by a few loyal military aides, then by Panama's civilian Vice President, Gerardo Gonzales. After several minutes of Mao-like cavorting for the benefit of onlookers and TV cameras, Torrijos climbed out of the muddy waters, volunteering no reason for his unexpected aquatics.

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