Ivanka Trump, 35, posed with husband Jared Kushner, 37, and their three children Arabella, Theodore James Kushner, Joseph Frederick Kushner.
Eric Trump, 34, also made an appearance in the shot, as did his wife Lara Trump.
More surprisingly, Tiffany Trump, 24, was present, who spends less time with her siblings.
The post showed the family laughing together as they prepared for Donald Trump’s speech.
The 71-year-old President made the address on Wednesday, focusing on “building a safe, strong, and proud America.”
Ivanka’s post gave the public a rare view into her enormous Washington mansion, which the couple rent for a whopping £10,590 a month.
This adds up to a huge £127,080 a year.
The rental cost is nothing compared to the actual value of the house.
The mansion at 2449 Tracy Place NW is sold for around £4m last year.
The 8,200 square foot house is in Kalorama and belongs to Chilean billionaire Andrónico Luksic.
Ivanka Trump wore a £2520 tweed dress to the State of the Union address.
The Oscar de la Renta dress is almost sold out with just one left in each size on Selfridges’ website this morning.
The mother-of-three and official advisor to her father recently posted an Instagram picture with her property developer husband.
The overall effect highlighted Ivanka’s slim curves, while the black colour had an elongating effect.
Her makeup was heavier than normal, with dark red lipstick and heavy black eye makeup.