June 18 (UPI) -- Music superstar Beyoncé has given birth to her second and third children with rapper Jay Z.
"Bey and Jay are thrilled and have started sharing the news with their family and closest friends," a source told People magazine Saturday.
Us Weekly said it also confirmed the babies were born earlier this week.
Neither media outlet reported the children's names, genders or actual birthdates.
The stars -- who married in 2008 -- are also parents to a 5-year-old daughter, Blue Ivy.