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Shakira, Gerard Pique, Milan, World Baby Shower, UNICEF

Courtesy: Jaume de la Iguana/UNICEF

Shakira showcases her baby bump and looks more beautiful than ever in new photos showing the heavily pregnant star with her family, boyfriend Gerard Piqué and their son Milan.

The 37-year-old Colombian pop star and former The Voice judge is expecting her second child with her longtime partner, who is 27. Their boy will celebrate his second birthday on Jan. 22.

The pictures were released on Sunday and taken for a great cause. The family is shown at their UNICEF World Baby Shower.

The three appear together in one pic, while Shakira and her soccer stud boyfriend also pose by themselves.

Shakira, Gerard Pique, World Baby Shower, UNICEF

Courtesy: Jaume de la Iguana/UNICEF

The singer is also shown standing on her own, wearing a stunning, Grecian-style gray gown and holding a giant balloon.

Shakira, World Baby Shower, UNICEF

Courtesy: Jaume de la Iguana/UNICEF

In a statement posted on the charity's website, the family encouraged others to host their own World Baby Showers, where guests can access an "inspired gift registry" that allows them to donate food, vaccines and other supplies to needy children.

"In 2013, we welcomed Milan, our first child into the world. Thanks to your generosity, our first World Baby Shower for UNICEF was an incredible success!" the family said in a statement.

"Now that we're expecting our second child, we want to invite other expectant parents to host their own world baby shower. You don't have to be a celebrity to make a difference—the birth of your child can be a blessing that also saves thousands of children's lives around the world!!"

Shakira announced her last fall. She is expecting another boy.

"Our second son arrives soon," the singer said on her Twitter page on Sunday.

She said last year, "I would love to have eight or nine kids with Gerard—my own fútbol team."