John Legend is concerned how his 2-year-old daughter with Chrissy Teigen will adjust to being a big sister: 'I think she'll have some growing pains'

• John Legend and his wife Chrissy Teigen are expecting their second child, a baby boy, in June.
• During a conversation at the Tribeca Film Festival, Legend said he's been getting advice on how to introduce two-year-old daughter Luna to their son.
• He's a bit concerned about how Luna will react to another person in the house.
• "She's talking a lot and she's used to being the center of everything right now," the singer told press and fans.

Chrissy Teigen...