The royal couple, who are expecting their second child in April, traveled without son
Later that night, the couple visited ad exec Martin Sorrell's Manhattan home for a dinner party with wealthy donors to their Royal Foundation, the Mirror reported.
On Monday, William, second in line to the British throne, took a day trip to Washington, D.C., where he met with President Obama in the Oval Office.
While in the capital, William also visited the World Bank with former British Foreign Secretary William Hague and attended the International Corruption Hunters Alliance Conference. There he gave a speech on the illegal wildlife trade -- one of the many conservation issues he'll be addressing at the couple's engagements.
During Wills' D.C. trip, Catherine met with Chirlane McCray, wife of New York Mayor Bill de Blasio, at the Northside Center for Child Development in Harlem. The Duchess of Cambridge and New York City's first lady heard from the center's executive director, Thelma Dye, and were scheduled to take part in gift-wrapping with volunteers and meet with students making crafts.
The couple will reunite Monday night to attend a reception to be held by the couple's Royal Foundation and the
They'll also watch the
On Tuesday, the duke and duchess will visit the
The stateside stopover marks the royal couple's second trip to the U.S. since they were married in April 2011 and their first visits to New York and Washington. They last came to the U.S. as newlyweds in July 2011 when they stopped off in California after a tour of Canada.