Brigitte, 64, donned a cream dress for the occasion – but the choice was not as innocent as it seemed.
The dress featured a black lace detail which showed off the French first lady’s underwear.
Underneath the cheeky strip of black lace was a printed lace pattern which circled Brigitte’s bust.
The rest of the dress was quite conservative, coming down to Brigitte’s knee and with short sleeves.
She smiled as she crossed the road surrounded by security in New York.
Obviously wanting to not cover her new outfit, Brigitte carried a black jacket over her arm, choosing not to wear it until she was inside.
Shading her eyes from the sun, Emmanuel Macron’s wife wore a pair of round-framed black sunglasses with graduated lenses.
She completed the look with a pair of black velvet court shoes and tan tights.
Brigitte chose to wear her hair in a sleek updo today, with her fringe flicked away from her eyes.
She opted for heavy smoky eye make-up and a peach coloured lipgloss to watch her husband address the UN Assembly.
An eye-catching diamong and sapphire ring could be seen on her right hand, as well as her wedding bands on her left.
The French first lady was not carrying a handbag for her trip out, although she usually favours Louis Vuitton when she does have one.
Brigitte is a fan of peek-a-boo lace, wearing a navy dress with a strip of the revealing material in Paris last week.
Brigitte decided to co-ordinate her outfit with her husband and appeared in the same navy blue as his suit for the appearance.
The former school teacher wore a navy shift dress which featured lace cut out around the waist and showcased her slender pins.
To cope with the chilly turn in the weather, Brigitte kept warm with a cropped navy zip-up jacket which with a cream lace-like print.