Paris Hilton shares adorable video of the moment she and husband Carter Reum told 10-month-old son Phoenix he was a big brother to sister London

Paris Hilton surprised the world this week when she announced the arrival of her second child, a daughter named London.

Like her son Phoenix, who is almost eleven months old, her new daughter was conceived via a surrogate mother.

The Hottie or Nottie star, 42, shared an adorable video on TikTok of the moment she and her husband Carter Reum, also 42, told Phoenix he was going to be a big brother.

The mother of two sat next to her toddler on the couch while dad filmed the interaction.

Phoenix alternated between being interested in what his father was saying and further engrossed in the iridescent and pink rolls of paper he was playing with.

Little sister: Paris Hilton, 42, shared an adorable video on TikTok of the moment she and husband Carter Reum, also 42, told son Phoenix, 10 months, he was going to be a big brother

Big brother: Paris surprised the world this week when she announced the arrival of her second child, a daughter named London.  Seen with Carter – whom she married in 2021 – on November 4

Big brother: Paris surprised the world this week when she announced the arrival of her second child, a daughter named London. Seen with Carter – whom she married in 2021 – on November 4

The voiceover said, “Phoenix, we are about to surprise everyone and tell them that you have a sister.”

It continued: “Wow. They will fall off their chairs. Isn’t it exciting?’

Phoenix seemed stunned by the news as he continued to play with the holographic paper.

“I love you, boy,” Reum continued. “Remember, the only rule of the Cutesie Crew is that we all have to be good people. Agreement?’

Phoenix looked up at his father with rapt attention.

“And if so, we get to play with pink and holographic things all day,” he concluded.

Paris said, “Yes, yes,” as if voicing her son’s inner thoughts.

Paris and Carter announced the arrival of their daughter London on Thanksgiving.

She shared the happy news by posting a pink baby outfit named London, revealing her little one’s gender and name.

“Grateful for my baby girl,” the heiress wrote in the caption of the image.

Sibling: Like her son Phoenix, Paris' new daughter was conceived via a surrogate mother

Sibling: Like her son Phoenix, Paris’ new daughter was conceived via a surrogate mother

Family: The mother of two sat next to her toddler on the couch while dad filmed the interaction

Family: The mother of two sat next to her toddler on the couch while dad filmed the interaction

Playtime: Phoenix was alternately interested in what his father was saying and otherwise absorbed by the iridescent and pink rolls of paper he played with

Playtime: Phoenix was alternately interested in what his father was saying and otherwise absorbed by the iridescent and pink rolls of paper he played with

Exciting: The voice-over said: 'Phoenix, we are going to surprise everyone and tell them that you have a sister.'  It continued: “Wow.  They will fall off their chairs.  Isn't it exciting?'

Exciting: The voice-over said: ‘Phoenix, we are going to surprise everyone and tell them that you have a sister.’ It continued: “Wow. They will fall off their chairs. Isn’t it exciting?’

Although the news of the arrival of her second child comes as a surprise, the name itself does not.

Hilton opened up on a March 1 live chat episode of her podcast I Am Paris that she would have chosen the name London if she ever had a daughter.

‘I’m very happy that one day Phoenix will have a sister named London. It’s my favorite city and I’ve always wanted to name my daughter London,” she said.

‘I had actually chosen that name for a long time, probably more than ten years. I’ve always wanted London. I love that name for my daughter,” she added.