Marilyn Monroe might have sung about how diamonds are a girl’s best friend, but this mineral isn’t the only thing that’s been sparkling lately.

New York-based Wat-aah! released its Wat-aah! Boo limited-edition bottle to celebrate Halloween and to promote healthy hydration in support of the Partnership for a Healthier America's (PHA) Drink Up initiative. On the label, the brand's Wat-aah! Boy character is portrayed in silhouette and screaming, "Boo!" to surprise its audience, the company describes.

New York-based Wat-aah!, a premium brand of functional water for kids and teens, is helping to promote healthy hydration and the “Drink Up” initiative led by the Partnership for a Healthier America (PHA), Washington, D.C., and its honorary chair, first lady Michelle Obama, through a new TV advertisement. In the commercial, Atlanta-based children’s music group Yung Day 1 releases its first single, "Drink Wat-aah!," to encourage kids to hydrate healthily with the water.

First lady Michelle Obama and actress, director and producer Eva Longoria joined Washington, D.C.-based Partnership for a Healthier America (PHA), of which Obama is honorary chair, to launch an initiative that encourages everyone to drink more water.