By peoplestaff225
Updated February 08, 2008 10:03 AM

With her friends and family, actress Isla Fisher says she can’t "shut up" about motherhood, which she now describes as her "favorite topic." But don’t look to her to make those proclamations public! Since giving birth to daughter Olive, 3 ½ months, in October, Isla says she’s become guarded in what she will and won’t say about the baby to the press.

That said, she adds,

Olive is the first child for Isla, 32, and her fiancé Sacha Baron Cohen.