John Legend Reveals How Kids Luna and Miles Are Adjusting to Life as Big Siblings to Esti and Wren

John Legend's Baby Girl Says "Dada" for the First Time

Adapting to life as a big brother didn't exactly strike the right chord with John Legend's son Miles at first.

The EGOT winner—who shares the 5-year-old as well as 7-year-old daughter Luna with wife Chrissy Teigen—recently revealed the children's initial reaction to the arrival of their new siblings Esti and Wren earlier this year.

"I think one of the toughest parts was just having the older kids adjust to not being the baby anymore, especially Miles," John told E! News in an exclusive interview. "Miles is used to being the baby for a while. So, he had to take some…