Ali Landry Expecting Baby No. 2

Ali Landry is eating for two.

The Louisiana-bred model, 37, and director hubby Alejandro Monteverde are expecting their second child this fall, a source confirms to PEOPLE.

?They are very happy,? the source says. ?And [their 3½-year-old daughter] Estela is ecstatic to have a sibling on the way.?

Landry, who is 3½-months along, wed Monteverde in April 2006.

? Dahvi Shira

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