US pop princess Britney Spears gave birth to a second baby boy, US news media reported, just two days before her first child is to turn a year old.
Spears, 24, and her husband Kevin Federline, 28, together welcomed their new son into the world in Los Angeles in the pre-dawn hours of Tuesday, People magazine reported.
The child was delivered via a scheduled C-section, the magazine reported.
The couple already have a son, Sean Preston, who will turn one year old on Thursday.
The baby is Federline's fourth child, as he has two small children by his ex-girlfriend, actress Shar Jackson -- Kori, 4, and Kaleb, 2.
Spears spokeswoman Leslie Sloane Zelnik declined to comment on the report to AFP.
Spears first sprang to fame as a teen star and went on to become one of the biggest forces in pop music.
Her 1999 album "Baby One More Time" put her on the global music map, selling a whopping 60 million copies.
Her 2000 single "Oops!... I Did It Again" broke sales records on its release, becoming the fastest-selling album by a female artist in history by selling 1.3 million copies in its first week in US record stores and ultimately shipping 20 million globally.
But the bubbly blonde is most often in the headlines for her private life, including her marriage to dancer Federline, her longtime teen romance with pop star Justin Timberlake and her abortive 2004 marriage to an old friend.