PHOTOS: NICU babies across the country celebrate their first Halloween in style

WASHINGTON — It may be their first Halloween , but these NICU babies are already winning best costume.

Hospitals across the country are helping their tiniest patients get into the spooky spirit, dressing up newborns in the neonatal intensive care unit in miniature costumes for the holiday.

The annual tradition brings joy to families and hospital staff, during an otherwise stressful time.

Here’s a look at how some hospitals across the U.S. are dressing up their NICU babies for Halloween:

Jacobs Medical Center at UC San Diego Health - San Diego, CA

Several babies in the neonatal intensive care unit at Jacobs Medical Center at UC San Diego Health transformed into Batman and Robin, Disney Princesses and the Gladiator.

PHOTOS | Babies in NICU at Jacobs Medical Center at UC San Diego Hea