Meghan Trainor introduced her newborn baby in a heartfelt post on Sunday: Welcome to the world Riley!

The pop singer shared several snapshots of her son with husband Daryl Sabara, revealing that Riley was born last Monday, Feb. 8. That means her first child arrived a bit early.

This sweet baby boys due date was today on Valentines Day, wrote Trainor in the caption for the series of images. We are SO IN LOVE, she added.