October 8, 2014 3:24 PM EDT

The First Lady gave a major nod to the company that’s become a staple in women’s wardrobes: Spanx, the makers of stretchy undergarments that have been making women look smoother and slimmer for a decade now.

Lucky Magazine Editor-in-Chief Eva Chen was among many fashion-forward guests at the White House on Wednesday for a Fashion Education Workshop to connect students with professionals in the field. Vogue magazine Editor-in-Chief Anna Wintour, J. Crew Creative Director Jenna Lyons, and fashion designer Zac Posen were also among the afternoon’s guests. During a speech in the East Room of the White House on Wednesday, the First Lady—whose fashionable flair has hardly gone unnoticed since she moved into 1600 Pennsylvania—spoke on the importance of hard work when striving to make it in any field, particularly fashion.

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