Photo SpecialBritney: Life After Baby

From family fun to spousal spats, see how things have changed for the Federlines since son Sean Preston's arrival. By Emily Fromm

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JANUARY

Since son Sean Preston was born on Sept. 14, both Britney Spears, 24, and Kevin Federline, 27, have settled into the rhythms of new parenthood. Spears (left, shopping Jan. 10 in Beverly Hills) takes naps with her son, while Federline (carting groceries Jan. 1 in Malibu) "does change diapers," Spears's mom Lynne said recently.

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