Sandra Bullock and Quinton Aaron
04/29/2010 at 10:45 AM EDT
"I am truly overjoyed for Sandra – what amazing news and so special that she has been able to keep this time private between her and the baby! Just as she played an exceptional mother in The Blind Side, her caring nature will make her an amazing mother to Louis!"
The Blind Side
costar Quinton Aaron to PEOPLE, on his screen
mother Sandra Bullock
's new son, 3½-month-old
– Jennifer GarciaMeet Sandra Bullock's baby! For the whole story – including photos of her son Louis, an emotional interview about her breakup with Jesse James and her life as a new mom – pick up the new issue of PEOPLE, on newsstands Friday