Paris Hilton threw her son, Phoenix, a lavish first birthday party, sharing videos from the celebration on TikTok and Instagram.
Barron and Tessa Hilton are officially a family of four after their son's birth.
Barron's sister, Nicky Hilton, also shared her excitement over the family's latest addition.
See the couples' touching announcement posts!
Paris and Nicky Hilton's little brother tied the knot on the island of Saint Barthelemy on Sunday.
The socialite couple had been dating for about two years and were engaged in September.
