Nicky Hilton has given birth her third child boy

"We're officially a party of 5! Welcome to the world sweet boy," 

She did not reveal the name of her child or the exact date of birth.

The 38-year-old fashion designer flaunted her baby bump with a smile in her February pregnancy.

"They say the best things in life come in three," wrote the then-expected star,

They is also mom to daughters 5-year-old Lily-Grace and 4-year-old Teddy.

While the socialite didn't reveal the gender of her impending arrival at the time,

Kathy Hilton and Ricky Hilton spilled the beans the following month.

"This is our first grandson," the 66-year-old businessman told Xtra in March.

Click Here