*Jennifer Lopez appears with her two-year-old twins, Emme and Max, in a new ad campaign for Gucci’s yet-to-launch children’s line which will hit stores in spring 2011.

“Jennifer Lopez stars in new Gucci children’s advertising campaign,” the fashion house Tweeted.

In return for her participation, Gucci has agreed to make a donation to UNICEFand the Maribel Foundation which Jennifer started with her sister Lynda, according to WWD.

Renowned fashion photographers Mert Alas and Marcus Piggot shot the ad campaign this summer on the beach in Malibu, Calif. where the Gucci-clad trio got glam in the sand.