Britney Spears is so excited about her first Christmas as a mother, she has already started decorating the Malibu, California, home she shares with husband Kevin Federline and son Sean Preston.

Spears tells all in a forthcoming edition of People magazine, in which she and Federline show off Sean Preston for the first time.

The singer says, "I already started putting up a few of the decorations myself because I couldn't wait!"