Official music video for Justin Bieber's hit song "Baby" featuring Ludacris, remastered in HD for an enhanced viewing experience.

Start here to learn how to nurture and care for your baby, from feeding and sleep to baby development and behavior, plus baby products that help.

Have your baby or toddler learn with a real teacher, Ms Rachel! In this video Ms Rachel will teach key milestones and model activities that promote your baby’s brain growth and development.