The two girls took Sarah Ferguson out for dinner at Mayfair restaurant 34 on Thursday evening.
Beatrice appeared to be minus longterm boyfriend Dave Clark on the romantic celebration and decided to head out with her mum instead.
Dinner date: Sarah Ferguson spent her Valentine's evening in the company of her two daughters at Mayfair restaurant 34
Quartet: Beatrice was at the dinner, as was sister Eugenie and her boyfriend Jack
The quartet seemed to have had a good time as they emerged from the eatery sporting smiles on their faces.
Feeling sufficiently loved, Fergie looked content after spending the evening in the company of her daughters.
Night out: Princess Beatrice was without boyfriend Dave Clark but Eugenie joined in with her boyfriend Jack
Like mother like daughter: Fergie stood out in her vibrant outfit with matching orange scarf and bag
Sharing the love: Eugenie held hands with Jack as they walked out of the restaurant
The 53-year-old made the daring choice to co-ordinate her flame haired locks with a dark green dress with a bright orange scarf around her neck.
Adding even more colour she carried a matching orange bag, while keeping warm in a black jacket and tights.
Home time: The girls chatted amongst themselves as they got ready to say their goodbyes
Lavished with gifts: Eugenie walked out carrying her pink bag and red roses after sharing her evening with her mother, sister and boyfriend
Motherly hug: Fergie wrapped her arms around Beatrice before they went their separate ways
Looking bare faced she wore an olive coat and checked scarf with her own tights and flats.
She waved goodbye to her mum before heading back with her sister and boyfriend.
Going separate ways: Sarah looked behind her as she smiled at Beatrice before getting into her car and heading home
It was only 10 days ago that the girls brought both their boyfriends along to spend an evening with their mother at David Tang's annual bash to celebrate Chines New Year.
Other famous faces including singer Tom Jones and husband and wife Tony and Cherie Blair joined the glamorous girls at restauranteur Tang's bash at his upmarket eaterie China Tang.