New Year, New Life! Stars' Big Changes in 2011

Babies, engagements and big weddings! Kellie Pickler, Natalie Portman, Reese Witherspoon and more begin 2011 in a big way

ALI HAS A SON

Ali Larter welcomed baby Theodore Hayes with her hubby, writer-actor Hayes MacArthur, on Dec. 20. While chicly carrying her boy, the glowing actress told PEOPLE, "To feel this life growing inside of me grounds me every day and really puts things into perspective about what's important in life."