She wrapped up in a £785 Maxmara camel coat. Later, on her Instagram account, Eugenie and Jack introduced August to the world officially.
The royal wore a cream jumper and a light pink jacket.
Eugenie wore a mustard velvet £204 Thada headband by designer Jennifer Behr.
How did her look compare to that of other high-profile new mums in the British Royal Family?
Princess Eugenie, Meghan Markle, Kate Middleton baby style compared – whose look cost most?
Princess Eugenie: August was born on 8.55am on February 9
To introduce baby Archie to the world Meghan wore white, a colour hinting at purity, matching the blanket and hat Archie wore to meet the world for the first time.
It was a white sleeveless trench coat dress. It was a bespoke dress by Wales Bonner. Similar dresses from the brand have sold for around £600.
With the dress, Meghan wore her trusty Manolo Blahnik BB pump in beige suede. The shoes cost £515.
She added an 18-karat gold turquoise necklace by Jennifer Meyer necklace, which costs £535, and in her ears were Natalie Marie diamond studs, £1,397.
Kate Middleton wore a blue and white polka dot dress for her first appearance outside the Lindo Wing.
While taking Prince George home she chose a Jenny Packham dress, a favourite designer of the Duchess of Cambridge.
The cornflower blue dress was a cap-sleeve number made from silk crepe-de-chine with an empire waist belt.
The dress was a bespoke number, so its cost is unknown.
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Bespoke dresses from Jenny Packham start at around £1,800.
Kayte wore her Pied a Terre Imperia espadrilles wedges. The company was absorbed by Dune and the style now sells for £65.
Princess Eugenie posted the image of her newborn to her personal Instagram account as an “introduction”.
She wrote: “We wanted to introduce you to August Philip Hawke Brooksbank.
“Thank you for so many wonderful messages. Our hearts are full of love for this little human, words can’t express. We are excited to be able to share these photos with you.”
Royal news: Kate Middleton and Prince William at the Lindo Wing
The couple’s midwife took the sweet picture of the pair.
“Thank you to the wonderful essential workers including our midwife who came to discharge our boy,” she added.
A body language expert analysed the picture of Princess Eugenie, August and Jack.
Body language expert, Judi James, spoke to Express.co.uk. She said: “These are wonderfully non-royal-looking poses from Jack and Eugenie,” said Judi.
Source: EXPRESS CO UK