Glaceau announced this week that actress has also co-created a limited-edition Smartwater label that will hits stores in July.
According to a press release, the former "Friends" star will also appear in a print ad campaign shot by famous fashion photographer Mario Testino that will be seen this summer.
Testino has photographed a slew of big stars, including Madonna and Naomi Campbell.
"We were thrilled that Jennifer discovered Smartwater and realized what a difference it makes to her healthy lifestyle," said Rohan Oza, senior vice president of marketing for the brand. "To us, Jennifer truly embodies what Smartwater is all about, as she combines substance and style like nobody else."