Chelsea Clinton wore a ruffled white shirt on Tuesday, keeping her blossoming baby bump hidden.
Chelsea attended the 2014 Riverkeeper Fisherman's Ball in New York City in her role as Vice Chair of the Clinton Foundation.
Wearing a black skirt suit with the white silk blouse, Chelsea looked smart and relaxed at the event which was also attended by radio host and environmental law lawyer Robert F. Kennedy Jr.
"A #CleanRiver as important as ever for #NYC - thanks to @riverkeeper for all the work you do & for the #BigFish recognition for @ClintonFdn!", Chelsea tweeted out to her followers.
The event was celebrating the achievements individuals and organisations have made in protecting natural resources.