The couple announced they are expecting another baby with a scenic beach photo on Instagram on Jan. 1.
"The sun has set on 2014 and on my year of daily #hilariaypd ....2015 is going to be very exciting as we are thrilled to announce we are expecting another little addition to our family!"
The sunset snapshot shows Alec holding their baby Carmen, 16 months, as she touches Hilaria's baby bump while the family's dogs look on.
In addition, Hilaria tweeted the news saying, "2015 equals Mommy, Daddy, Carmen and a special guest star...."
The yoga guru also posted a photo of herself giving Carmen a kiss and wishing fans a Happy New Year.