When she noticed Trump did not have his hand over his heart during the national anthem, she nudged his right arm. Trump then immediately raised his right hand and placed it over his heart.
"Obama, unlike his Democratic colleagues, isn't putting his hand over his heart during the national anthem," Fox News host Alan Colmes said at the time. "Can you believe this? It's an outrage."
Still, Melania Trump's reminder couldn't save the president from being mocked on Twitter.
"The president forgot to put his hand on his heart for the national anthem, until an immigrant reminded him," NowThisNews tweeted — a knock at Trump and his administration's rhetoric and treatment of immigrants.