Beatrice finished off her 'cool girl' look with black stilettos, a blue handbag and a headwrap.
The Princess of York was accompanied by new boyfriend Edoardo, who looked stylish in blue pants and blazer, white t-shirt and white sneakers.
The couple, who are rumoured to already be discussing marriage, were all smiles as they strode down the London street.
The royal couple made their first public appearance together at the royal wedding of Lady Gabriella Windsor and Thomas Kingston, where Beatrice introduced her new boyfriend to her grandmother, the Queen.
Since their first public event together, Edoardo has mingled with Beatrice's parents - the Duke and Duchess of York - as well as enjoyed double dates with sister Princess Eugenie and her husband, Jack Brooksbank.
It is believed the sweet couple met for the first time at Prince Harry and Meghan Markle's wedding, where they fell head over heels for one another.
Edo is a multi-millionaire property tycoon and a divorcee with a two-year-old son, and he and Beatrice were said to have “hit it off instantly”.