Marc and Chelsea's little one, Charlotte, was nowhere to be found for the day on the water.

Earlier this year, after hosting The Clinton Foundation's "No Ceilings Initiative" presentation, Chelsea stopped and chatted with E! News about how her famous parents have taken to their first grandchild.

"They're so sweet," she gushed. "They keep saying, 'It's even better' than they thought it would be, and just to watch them rediscover how to give a bottle, how to change a diaper, how to hold a baby..."

She added that everyone in the family has helped pitch in when it comes to raising little Charlotte, explaining, "Everybody's changed a diaper, everybody's given her a bottle...I'm not surprised that my parents have been so engaged, I think it's just surprised me how much joy it's given me."

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