The mama and her mini-me are giving off total beach vibes!
The 34-year-old star gave birth to her second child with husband, James Rothschild, on Dec. 20.
The 34-year-old businesswoman revealed on Twitter Friday that she and her husband welcomed a baby girl, Teddy, just ahead of the Christmas holiday.
Nicky kept her baby’s gender a secret in more ways than one.
A rep tells ET the two are 'thrilled about the new addition' to their family.
Katie Holmes and Nicky Hilton also attended the the New York event on Monday.
Hilton looks amazing after welcoming her 10-month-old daughter Lily.
Now this is our kind of sister act!
The 32-year-old mother is giving us major stroller envy
The new mom shows off some serious leg only a week after welcoming her daughter, Lily-Grace.
The new mom also just celebrated her one-year wedding anniversary.
The heiress celebrated her first wedding anniversary with the arrival of her first child.
The socialite's first child with husband James Rothschild came into the world.
The sisters previously celebrated in Los Angeles.