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Adriana Lima

Mike Coppola/Getty Images

Talk about a hot mama! Adriana Lima is pregnant with her second child, the Victoria's Secret model confirmed Tuesday.

"My favorite job in the world is being a mom! My family could not be more happy to announce this news," she posted on her Facebook page.

So is Adriana's 2-year-old daughter, Valentina, looking forward to being a big sis?

Absolutely! "The entire family is excited, especially Valentina," Lima told People. "She keeps blowing kisses to my belly and saying, 'Kisses for the belly.' "

When Adriana first met hubby Marko Jaric in 2006, she "knew he was the one and I could see myself married to him and with a big family."

The duo wed on Valentine's Day in 2009, and soon after their honeymoon learned that they were expecting little Valentina.

And as much as Adriana loves modeling, being a mom is actually her favorite job. "I never thought I could feel love so much," she said. "I always thought, does unconditional love exist? Now I know it does because I feel it."