'Sesame Street' shares a personalized message for baby Luna Legend

Being baby Luna, the daughter of John Legend and Chrissy Teigen, has its perks.

For one, you get to wear a number of amazing Halloween costumes. And then, you also get personal messages from celebrities. Celebrities like the stars of Sesame Street.

On Instagram Tuesday, Legend posted a video of himself, Big Bird, Cookie Monster, Bert, Elmo, Grover and Rosita, saying, "Hello, Luna!" and "We love you so much."

"One day Luna will be very excited by who daddy hung out with today," Legend wrote.

Chrissy Teigen was verklempt over the clip. "My heart!! I could cry. I cannot wait for the day Luna goes absolutely nuts over this. Thank you, thank you Sesame Street!!" she wrote as the caption for the same video on her Instagram.

This isn't the first time Legend has hung out at Sesame Street. He and Hoots performed It Feels Good When You Sing a Song back when Legend rocked sideburns and a goatee.