Baby No. 3 is on the way for Jennifer Garner and Ben Affleck, the couple announced yesterday. The two 39-year-olds, who wed in 2005, are already parents to Violet, 5, and Seraphina, 2, the AP notes. In a statement, they said they are “thrilled” to be welcoming a new member of the family. "She's always wanted three kids," a source tells Us of Garner. "This was her plan all along." (More celebrity pregnancy stories.)