Kate & Demi: Only One of Them Is 30 5/1/2009 2:40 PM PT Kate Hudson and Demi Moore compared beauty secrets in NYC last night. Believe it or not, but there is a 16 year age difference between them. See Also Kate Hudson: What the Future HoldsMaybe Parts of Demi Are 18 - 35 Share on Facebook Share on X Demi Moore Kate Hudson Ashton Kutcher & Demi Moore Beauty