The wife of Emmanuel Macron, President of France, is also there.
In fact, the two woman have been joined by many wives and spouses at the summit in Belgium.
The political meeting for heads of state across the world is taking place in the European country.
An image emerged of all the politician’s other halves gathered together.
The Estonian Prime Minister’s wife Karin Ratas was on the far left of the image.
To her right was the Swedish Prime Minister’s wife Ulla Lofvan and Slovenian Prime Minister’s wife Mojca Stropnik.
They were joined by Bulgarian President’s wife Desislava Radeva, Turkish President’s wife Emine Erdogan, NATO Secretary General’s wife Ingrid Schulerud and Belgian Prime Minister’s partner Amelie Derbaudrenghien wearing yellow.
Next was US First Lady Melania Trump wearing a navy dress, followed by Brigitte Macron in white.
The only man in the group, husband of Luxembourg’s Prime Minister Gauthier Destenay also posed for the group photo.
The group were attending The Queen Elisabeth Music Chapel in Waterloo.
Melania Trump wire a blue dress by US designer Calvin Klein.
It was nipped in at the waist showing off her tiny frame.
Brigitte Macron on the other hand wore a white miniskirt.
Brigitte’s jacket had long sleeves and was collarless, while the hem of her loose fitting skirt reached down to her knee.
Last night Melania Trump wore a Burberry trench coat to she arrive in Brussels with Donald Trump.
The Long Kensington Heritage Trench costs £1,450.
She paired the coat with a pair of killer heels from Christian Louboutin, £525.The NATO leaders include Donald Trump, 72, and Theresa May.
Trump arrived on Air Force One at Melsbroek military airport, shortly after saying on Twitter that NATO allies should “reimburse” the United States for spending on the alliance.