STELLA'S NEW PROJECT: Stella McCartney's brood is getting bigger. A source close to the designer said she is expecting her third child at the end of this year. McCartney already has a son, Miller Alasdhair James Willis, born in 2005, and a daughter, Bailey Linda Olwyn Willis, who was born in December. A spokesman for McCartney declined to comment. However, given McCartney's past form, the pregnancy isn't likely to slow her down — the designer was working on her fall 2005 collection hours before giving birth to her son, and was back to work the day after he was born.

CHANGE IN SPAIN: Arnaud Maillard's stint as creative director and head designer of Sybilla was short-lived. Maillard, an alum of Karl Lagerfeld's studio, designed the iconic Spanish label's fall-winter collection shown on a Paris runway in March — and now he's out, confirmed Alba Gómez Zabalo, Sybilla's Madrid-based deputy fashion managing director. "It wasn't a good fit….The collection was not what we wanted," she said. Sybilla, 43, and her design teams will pick up the reins of her namesake brand and a junior spin-off line called Jocomomola. In addition, Sybilla's planned international retail expansion has been put on the back burner, Gomez Zabalo said.

REMEMBERING VERSACE: The special performance Sunday night's performance at La Scala in Milan to honor the late Gianni Versace will conincidentally be held precisely a decade after the designer's murder. July 15 was the only available date for the renowned Milanese opera house, until 2010. "I really didn't care about the date, September would have worked just fine, so I guess it's a sign,'' joked Donatella Versace. "It was meant to be. I can already see Gianni shaking the crystal chandelier and directing the ballet."

A crowd of 1,400 is expected, including Karl Lagerfeld, Jessica Alba, Silvia Venturini Fendi, the entire Missoni clan, plus Gianni's favorite models — Claudia Schiffer, Naomi Campbell, Nadèje and Marpessa — along with artists such as Mimmo Paladino and Arnaldo Pomodoro.