It's all about that bass baby! 

Meghan Trainor is officially a mom. The singer has given birth to her first child, a baby boy named Riley, with her husband of two years, Daryl Sabara. 

"This sweet baby boy's due date was today on Valentine's Day. We got to meet him Monday, Feb 8th!" Meghan wrote on Instagram on Sunday, Feb. 14, alongside photos of the couple's son. "We are SO IN LOVE [crying emoji]. Thank you @darylsabara for the best Valentine's gift ever! Welcome to the world Riley!"