Perez Hilton has announced the birth of his second child, but is yet to reveal the gender and name. The 37-year-old celebrity blogger announced the arrival of the new baby - a sibling for two-year-old Mario Armando Lavandeira III - on his website, but declined to reveal the gender or any other details about the newborn tot.Alongside a picture of him holding the newborn's foot, he wrote: "It is with great pride and relief that I can finally announce: I am a dad again! The road to this birth has been a difficult journey, quite different from the first time, and my son and I are overjoyed at this happy and healthy addition to our family."Every child is a blessing and this Mother's Day was extra blessed for me and my mother!"Hilton has never revealed the identity of the mother of his eldest child, who was conceived via a donor egg and a surrogate mother.Announcing the birth of his little boy two years ago, the reality star said he was looking forward to the "challenge" of raising a child.He said at the time: "I am so humbled to welcome this little man into my life. And I am honoured and ready for the challenge of guiding him through his."..