The expectant parents also gushed over their 2-year-old daughter Luna while on the red carpet at City Harvest's 35th Annual Gala in New York City on Tuesday.
The 32-year-old model and cookbook author is set to welcome her second child in June.
The two pals might be enjoying sleepovers soon.
See the cute video!
Happy birthday, Luna!
The singer/songwriter also indicated that he knows the answer to one of the pop world's greatest mysteries: Who bit Beyonce?
The 32-year-old model never thought she'd be 'this mom.'
ET caught up with Legend in Hollywood for his first ever Soul Cycle class, where he opened up about meeting Chrissy Teigen on the set of his 2007 'Stereo' music video.
Little Luna can spot a John Legend song from a mile away!
The GRAMMY winner released his newest music video which details how you might meet your future wife at a club.
The 39-year-old singer will welcome his second child with wife Chrissy Teigen in June.
ET spoke with the singer at Soul Cycle in West Hollywood on Thursday, where he launched his new single, 'A Good Night.'
Sorry, John. Chrissy Teigen is the real superstar.
