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It's a Baby Boy for Robert Downey Jr.!

The actor and wife Susan Downey welcomed a baby named Exton Elias! Plus, see more stars who welcomed new bundles of joy (191 Photos)

Ali Gray on Feb 7, 2012 at 1:26PM

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Kevin Costner

Arrival date: Feb. 12
It's... a boy! His name is Hayes Logan.
Proud mama: The Oscar winner's wife, Christine Baumgartner.
And baby makes... seven! Hayes, who weighed in at 8 lbs., 15 oz., is the couple's second son, joining brother Cayden Wyatt, 2. Kevin has three other children from his first marriage.
Birth announcement: Kevin told AP Radio that Hayes is a "great Western name."