First lady Michelle Obama, President Barack Obama, Malia Obama and Sasha Obama arrive at Jose Marti International Airport for a 48-hour visit on Airforce One March 20, 2016 in Havana, Cuba.

First lady Michelle Obama, President Barack Obama, Malia Obama and Sasha Obama arrive at Jose Marti International Airport for a 48-hour visit on Airforce One March 20, 2016 in Havana, Cuba.

*Yes President Obama was the first American president to step foot on Cuban soil in 88 years on Sunday, but who was Michelle wearing?

FLOTUS started off the historic three-day trip in a red, white and blue floral sundress by Carolina Herrera.

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According to the New York Daily News, the $2,190 sleeveless, A-line dress is nearly sold out online at Bergdorf Goodman, while similar versions were available at Neiman Marcus and Saks Fifth Avenue.

Meanwhile, Malia and Sasha are spending their spring break on this trip.

(L-R) Sasha Obama, 14, first lady Michelle Obama, U.S. President Barack Obama and Malia Obama, 17, pause to look at a statue of Cuban independence hero Carlos Manuel de Cespedes during a walking tour of the plaza of the 18th century Catedral de San Cristobal de la Habana in the Old Havana neighborhood March 20, 2016 in Havana, Cuba.

(L-R) Sasha Obama, 14, first lady Michelle Obama, U.S. President Barack Obama and Malia Obama, 17, pause to look at a statue of Cuban independence hero Carlos Manuel de Cespedes during a walking tour of the plaza of the 18th century Catedral de San Cristobal de la Habana in the Old Havana neighborhood March 20, 2016 in Havana, Cuba.

Malia arrived in a two-piece floral number with lace-up pointed flats, while her younger sister wore a Shoshanna dress from the designer’s spring collection, with matching black-and-white slip-on sneakers.

Later Saturday, Malia switched out her flats for white low-tops.

U.S. President Barack Obama (2nd L) his daughter Malia (C), 17, and and other members of the first family pause to look at a statue of Cuban independence hero Carlos Manuel de Cespedes during a walking tour of in the plaza of the 18th century Catedral de San Cristobal de la Habana in the historic Old Havana neighborhood March 20, 2016 in Havana, Cuba.

U.S. President Barack Obama (2nd L) his daughter Malia (C), 17, and and other members of the first family pause to look at a statue of Cuban independence hero Carlos Manuel de Cespedes during a walking tour of in the plaza of the 18th century Catedral de San Cristobal de la Habana in the historic Old Havana neighborhood March 20, 2016 in Havana, Cuba.