Simon Cowell is officially a proud father.

Girlfriend, Lauren Silverman, gave birth to a healthy baby boy at Lenox Hill Hospital, after Simon flew from London to be by her side.

According to TMZ the baby was born at 5:45PM, weighing in at 6 pounds 7 ounces. 

The 54-year-old named his first child, Eric, after his father.

Look at the adorable pictures he shared below!