NEWSMAKERS: Will Smith’s New Baby

Will Smith is keeping up his part of the “populate the earth” mandate. The 31-year-old rapper turned TV star turned movie star is expecting his third career child — and his second by wife Jada Pinkett Smith, the actor’s publicist confirmed today. The baby’s due in November.

Smith and Pinkett Smith, 28, already have a son, Jaden, born in July 1998. He also has a son, Willard Smith III (or Trey), born in 1992 to his first wife.

Will and Jada wed on New Year’s Eve 1997. He’ll next be seen in the Robert Redford-directed “The Legend of Bagger Vance.”

MIAMI SOUND MACHINE: Popster Gloria Estefan lent her voice to the Elian Gonzalez controversy today, joining those who say the 6-year-old Cuban boy should remain in Florida and not be returned to his native country. Estefan herself was born in Havana.

HOPE THEY’RE NOT RUSHING INTO THIS: Ex-“NYPD Blue” cop Jimmy Smits, 44, and longtime live-in love Wanda De Jesus (“The Insider“) are planning (finally) to tie the knot, he tells USA Today. “It just seems like the natural thing to do,” Smits says. No word on the date.

NEW BABE IN TOWN: Hollywood hyphenate Albert Brooks (writer-director-actor) and wife Kimberly welcomed the birth of their second child, daughter Claire Elizabeth, Monday at a Los Angeles hospital.

WE HAVE NO IDEA HOW THEY KNOW THIS: According to the British tab the Express, supermodel Naomi Campbell, 29, has been told by doctors that she should retire from the catwalk for one year if she wants to conceive a child with billionaire boyfriend Flavio Briatore.

TOGETHER AGAIN: Jane Fonda, 62, will receive an honorary degree and estranged husband Ted Turner, 61, will deliver the commencement address at May 15 graduation ceremonies for Boston’s Emerson College, the school said today. The couple was invited — individually — before word of their separation leaked in January. And the couple — individually — is keeping their date.

FROM CANCELLATION TO SOCIAL SECURITY: Ian Ziering, who has played “teen-ager” turned “twentysomething” Steve Sanders on “Beverly Hills, 90210” for the Fox series’ entire 10-season run, turns 36 today. Really.