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Heroes' Ali Larter is expecting her first baby with her writer/actor husband Hayes MacArthur, her rep confirms to

Larter, 34, is due this winter.

The two announced they were engaged in December 2007 after five years of dating.

Larter donned a Vera Wang gown to say "I Do" to MacArthur at her parents' estate in Kennebunkport, Maine last August.

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"Since I was 15 years old, all I wanted was to find the guy I was going to marry. My heart got broken so many times because I put so much pressure on it. And then... I got blindsided," she told Cosmopolitan in February 2009.

She said MacArthur "showed me the way, and all was right. This is how it's supposed to be."

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She made no secret of her desire to start a family.

"I told my boyfriend after three weeks that I wanted to marry him and that we could do it tomorrow," Larter told Cosmopolitan in 2007. "I look forward to that time when I'm home with babies."