How Nicky Hilton Rothschild Introduced Daughter to Her Baby Sister: ‘It Worked Out Really Well’

There’s no pointer of kin adversary in a domicile of Nicky Hilton Rothschild.

The heiress — mom to daughters Theodora “Teddy” Marilyn, 10 weeks, and Lily-Grace Victoria, 19 months — spoke to PEOPLE for this week’s emanate about how her girls are vibing with any other.

“Yesterday indeed was a initial time that Lily-Grace hold [Teddy],” says Hilton Rothschild. “I’ve arrange of been avoiding that given they get a small severe and a baby was so delicate.”

“It was unequivocally honeyed given my sister [Paris Hilton] has this pattern of her holding me in between her legs so we was means to reconstruct that yesterday with my children,” adds a mom of two, 34.

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Nicky Hilton Rothschild and daughter Teddy

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The initial time a dual girls met went off though a hitch, too. As Hilton Rothschild explains, “I was told when you’re introducing a babies to let a initial one find a baby in a vital room or a common area — not your bedroom. And afterwards have a wrapped benefaction from a new baby to a aged baby.”

“It was Christmas time so it worked out perfectly,” she recalls. “We had Teddy in her small chair wrapped adult underneath a Christmas tree with a wrapped benefaction with a doll inside. we went and got my 18-month-old in her bedroom and I said, ‘Let’s go and make breakfast,’ and we walked into a kitchen and she listened some rustling by a tree.”

“She ran over, saw a baby, looked during me and did about 5 double takes  — she was so confused if this was a toy,” she adds. “She started personification with her barrow — her benefaction from a baby. It worked out unequivocally well. So we’re walking around a house, I’m holding my baby and she’s holding her baby. we rarely suggest this technique.”

Nicky Hilton Rothschild and daughter Lily-Grace

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The businesswoman and conform engineer recently teamed adult with Tolani to emanate the NHxTolani Mommy + Me collection, that launched Feb. 15.

“I’ve always wanted to do a mommy and me collection given we was a small lady — we only dreamed of it,” she says. “I adore conform pattern and we always dreamed of carrying a daughter and being means to dress her up.”

And are she and father James Rothschild formulation to enhance their family? “I’m only enjoying a dual girls right now, though we’ll see,” teases Hilton Rothschild. “I adore a thought of a large family. we come from 4 siblings and I unequivocally trust that siblings are a best benefaction we can give your children.”

For some-more about Nicky Hilton Rothschild’s life as a mom of two, collect adult a latest emanate of PEOPLE, on newsstands now.