First time momma, what are your necessecity baby items?

Josie • Cosmetologist ✂ Nature lover🌲🌻 NLB♡ Matix Roy Broadbent 💙11/11/16 Baby #2 Due June 9th💘
Im a first time mom and creating a registry for a shower, if previous mommas could post what they thought was a MUST HAVE for a newborn that would be so nice! I literally know nothing about babies.