Chrissy Teigen and son Wren.Photo:Chrissy Teigen/Instagram; Cindy Ord/Getty

chrissy teigen and wren

Chrissy Teigen/Instagram; Cindy Ord/Getty

Chrissy Teigenisn’t interested in playing favorites with her two youngest kids.

“I know, hard to break to Esti,” Teigen shares, laughing. “It was a little awkward and then I was like, it’s the Sexiest Man issue. You’ll be in the PEOPLE’s Most Beautiful.”

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Smiling, the mom of four adds, “It’s an odd problem to have, okay?”

Teigen shares her four kids — Wren, Esti, 12 months, Miles Theodore, 5, and Luna Simone, 7 — with husbandJohn Legend.

The proud mom spent the last few days traveling around the country,reuniting with her family this past weekend.

A few days after posting about how muchshe missed her four childrenwhile she was away, Teigen looked back on her action-packed trip with an Instagram photo dump full of New York memories.

She captioned her post, “It’s been a week.”

Teigen wasn’t only missing her little onesthis past week, as she also revealed on SiriusXM’sTODAYradio showThe Happy Hourthat her mother,Vilailuck “Pepper” Teigen, recently moved back to Thailand to live in her childhood hometown of Korat.

“We haven’t really told the world or the internet, and everyone’s gonna be probably so confused,” Teigen said. “She is meant to go live her best life.”

As Teigen explained, her mother “loves taking care of her grandchildren" and is “young enough that she needs to go off and be happy.”

source: people.com