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Robert Downey Jr

'The Avengers' world premiere in Hollywood, CA. Pictured: Robert Downey Jr. and Susan Downey Ref: SPL381073 120412 Picture by: Russ Einhorn / Splash News Splash News and Pictures Los Angeles: 310-821-2666 New York: 212-619-2666 London: 870-934-2666 photodesk@splashnews.com

Celebrity Babies of 2012

Blue Ivy, Maxwell Drew, and Tennessee James are just three of the many, many bundles of joy the stork dropped off in Hollywood this year.