Rebecca Minkoff and husband Gavin Bellour welcomed a baby boy this weekend.

The famous designer tweeted the happy news, “I just pushed a 6 lb, 14 oz baby out. OMG. I can’t believe this is done!”

To top it off, Minkoff also posted a picture of the new father-son pair with the caption “the cutest family in the world”

Congratulations to the happy family!