As pressure grows to get artificial colors out of the U.S. food supply, the shift may well start at Abby Tampow’s laboratory desk.

Businesses are looking for natural alternatives, which experts say is a complex process. The "Gossip Girl" alum stepped out looking her best at the Jazz at Lincoln Center while donning a blue gown with cutouts along the bodice that accentuated her figure.

In some studies, synthetic food dyes used in the United States have been associated with hyperactivity and behavioral effects in children.