Drew Barrymore became a mom last week, she announced in a statement with husband Will Kopelman today. "We are proud to announce the birth of our daughter, Olive Barrymore Kopelman, born September 26, healthy, happy, and welcomed by the whole family," it reads, according to Us. Barrymore, 37, wed art consultant Kopelman, 35, in June after dating since 2010. (More Drew Barrymore stories.)