According to TMZ, they are "under the lights" due to the possibility of jaundice which is often caused by elevated bilirubin levels.
The procedure was carried out in a bid to "lower bilirubin in the blood to eliminate the jaundice", TMZ reports.
Though a saddening occurrence, the condition which is common among premature babies is considered not to be dangerous once proper treatment is given.
Jaundice is a medical term that describes the yellowing of the skin and the whitening of the eyes.
A source who spoke to TMZ disclosed that the babies were not carried to full-term.