Melania Trump displays 'masculine' gesture upon greeting Trudeaus at White House, says body expert

President Trump and Melania Trump hosted Canadian Prime Minister Justin Trudeau and his wife at the White House on Thursday, and one of the first lady's movements raised some eyebrows.

Trudeau and his wife, Sophie Grégoire Trudeau, greeted the 45th U.S. president and first lady outside the White House, addressing one another with cheek kisses and handshakes. After posing for photos, the first couple welcomed the Trudeaus inside the historic building -- which is when the first lady appeared to mirror her husband's arm placement.

According to an image taken during the encounter, President Trump is seen placing his hand on the back of his wife. The first lady, in turn, then motioned her own hand toward the back of Sophie Grégoire.

Click through to see images of the first lady's body language on Thursday:

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President Trump, Melania Trump greet Trudeaus at White House
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President Trump, Melania Trump greet Trudeaus at White House
WASHINGTON, DC - OCTOBER 11: U.S. President Donald Trump and first lady Melania Trump welcome Canadian Prime Minister Justin Trudeau and his wife Sophie Gregoire Trudeau to the White House October 11, 2017 in Washington, DC. The United States, Canada and Mexico are currently engaged in renegotiating the 25-year-old North American Free Trade Agreement. (Photo by Chip Somodevilla/Getty Images)
U.S. President Donald Trump and first lady Melania Trump welcome Canadian Prime Minister Justin Trudeau and Mrs. Gr�oire Trudeau (R) at the White House in Washington, U.S., October 11, 2017. REUTERS/Jonathan Ernst
U.S. President Donald Trump gives a thumbs up as he and first lady Melania Trump welcome Canadian Prime Minister Justin Trudeau at the White House in Washington, U.S., October 11 2017. REUTERS/Jonathan Ernst
U.S. President Donald Trump and first lady Melania Trump welcome Canadian Prime Minister Justin Trudeau and Mrs. Gr�oire Trudeau (R) at the White House in Washington, U.S., October 11, 2017. REUTERS/Jonathan Ernst
U.S. President Donald Trump and first lady Melania Trump welcome Canadian Prime Minister Justin Trudeau and Mrs. Gr�oire Trudeau (R) at the White House in Washington, U.S., October 11 2017. REUTERS/Jonathan Ernst
U.S. first lady Melania Trump welcomes Canadian Prime Minister Justin Trudeau as President Donald Trump and Mrs. Gr�oire Trudeau (R) look on at the White House in Washington, U.S., October 11, 2017. REUTERS/Jonathan Ernst
US President Donald Trump (L) watches as First Lady Melania Trump (2ndL) kisses Sophie Gregoire Trudeau (2ndR) goodbye as Canadian Prime Minister Justin Trudeau (R) departs the White House in Washington, DC, on October 11, 2017. / AFP PHOTO / JIM WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)
WASHINGTON, DC - OCTOBER 11: First lady Melania Trump walks out to welcome Canadian Prime Minister Justin Trudeau and his wife Sophie Gregoire Trudeau on the South Lawn of the White House in Washington, DC on Wednesday, Oct. 11, 2017. (Photo by Jabin Botsford/The Washington Post via Getty Images)
US President Donald Trump (C-L) and First Lady Melania Trump (C-R) walk into the White House with Canadian Prime Minister Justin Trudeau (L) and his wife Sophie Gregoire Trudeau (R) during a welcoming ceremony in Washington, DC, October 11, 2017. / AFP PHOTO / JIM WATSON (Photo credit should read JIM WATSON/AFP/Getty Images)
WASHINGTON, DC - OCTOBER 11: (L-R) Canadian Prime Minister Justin Trudeau, U.S. President Donald Trump, first lady Melania Trump and Sophie Gregoire Trudeau head into the White House October 11, 2017 in Washington, DC. The United States, Canada and Mexico are currently engaged in renegotiating the 25-year-old North American Free Trade Agreement. (Photo by Chip Somodevilla/Getty Images)
WASHINGTON, DC - OCTOBER 11: (L-R) Canadian Prime Minister Justin Trudeau, U.S. President Donald Trump, first lady Melania Trump and Sophie Gregoire Trudeau pose for photographs at the White House October 11, 2017 in Washington, DC. The United States, Canada and Mexico are currently engaged in renegotiating the 25-year-old North American Free Trade Agreement. (Photo by Chip Somodevilla/Getty Images)
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"She is indeed mirroring her husband, it is a 'protective gesture,'' body language expert Dr. Lillian Glass says. Glass says the move from the former Slovenian model is a "guiding gesture" meant to help steer someone in the right direction.

"It is also a masculine gesture," Glass adds. "Wearing masculine clothing may have also stimulated the masculine gesture."

As AOL Lifestyle noted of the first lady's attire, Melania Trump was wearing a charcoal grey Ralph Lauren suit with a crisp white button-down shirt and a skinny tie undone loosely under her collar. This is a less-frequent style showcased by the first lady. Whether the fashion choice provoked Melania Trump's latest body language moment remains to be seen.

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