Chrissy Teigen on Breastfeeding Daughter Luna in Fergie’s ‘M.I.L.F.$.’ Video: ‘I Think It’s Beautiful’

07/06/2016 at 11:30 AM ET

A text from Kim Kardashian West was the invite that landed Chrissy Teigen‘s new daughter Luna Simone her first role in Fergie‘s sexy “M.I.L.F.$.” music video.

“Kim texted me, ‘Hey, Fergie is shooting a video,’ and [she] said, ‘You should be in it,’ ” the new mom told PEOPLE Monday at a Fourth of July barbecue she was hosting at the Revolve summer house in Southampton, New York.

The 30-year-old model’s answer, just weeks after giving birth?

” ‘Absolutely, Kim, what days are you shooting? I’m in,’ ” Teigen says. “It was so much fun to do. I love Fergie. I love her music. And it was just really nice.”

Chrissy Teigen Luna MILF Money Video

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“Obviously, Luna is in it. But they closed down the set [because] Luna was so new,” Teigen explains. “She was maybe 4 weeks old. They turned off the air. They cleared people out. And it was her natural lunch time anyway.”

The moment of Luna breastfeeding on camera was apparently impromptu, according to Teigen — and husband John Legend, 37, was there too.

“It was [like], ‘[Luna’s] here, and it’s “MILF Money” — I would love to capture this moment with her,’ ” she says. “I think it’s beautiful.

“They were so accommodating of a newborn baby, and John was watching,” Teigen adds. “Honestly, it was like 10 minutes, but it went by so fast. I loved it.”

Chrissy Teigen Luna MILF Money Video

And did Kardashian West appear as sexy in person on set?

“I was with Kim in a scene, obviously. And what I realized is that I need to live in latex,” Teigen jokes. “Everyone is talking about how we were all Photoshopped. No, you’ve never seen anything like latex. What looks like denim jeans [on Kim], that’s latex.”

RELATED VIDEO: Cutness Overload! Chrissy Teigen And John Legend Share Adorable Snaps of Their Baby Luna

She continues, “And latex gives where it needs to give and cinches when it needs to cinch. In the bouncing scene, Kim was wearing a latex robe, latex high-waisted pants. And when I was wearing the gold — all latex. Honestly, I wasn’t feeling my sexiest, but when you get on that set and have everyone rooting for you, and have this song going, that makes you feel sexy.”

#MILFMONEY

A photo posted by chrissy teigen (@chrissyteigen) on

Hashtag cant swim #cantswim #REVOLVEinthehamptons #cravingsBBQ @revolve

A photo posted by chrissy teigen (@chrissyteigen) on

While she looked sensational in person at the Revolve barbecue, Teigen shares that she doesn’t feel 100 percent back in shape since welcoming her baby girl.

“No, I’m not back yet by any means,” she says. “I think people think that I’ve snapped back, but I really have just, in fact, been utilizing undergarments more. I never was a Spanx person or a waist-trainer person. Now I do it. It looks great on the outside, but trust me, I’m a bit soft.”

As some time has passed since the shooting of the video and Luna is now almost 3 months old, PEOPLE also asked about her latest passion.

“Her daddy,” answers Teigen. “Luna is into her daddy more than anything.”

She is innnnnn love!

A photo posted by chrissy teigen (@chrissyteigen) on

While she’s too young to say ‘Daddy,’ according to Mom, Luna does have a new way to communicate.

“Just this week, she started giggling,” adds Teigen. “It’s unbelievable — it warms your heart so much to see her giggle. In the morning, she wakes up with the biggest toothless smile.”

The proud mom and wife continues, “She looks up at John and is so thrilled to see him, and then she’ll also giggle when you do the raspberries. She loves a raspberry. I do it on her tummy.”

Jeffrey Slonim

FILED UNDER: Chrissy Teigen , News , Parenting

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cds on

Luna is so adorable!

Tieraney on

Luna has got to be the cutest baby ever!

JustSayin on

One thing I like about this woman is her honesty. I’m sure Kim wouldn’t be happy with everyone knowing they were in latex and that’s why they look like that. She admits to still being soft and using things to make it seem what it isn’t.

Stacey McRae on

These people are all narcissistic freaks and the gullible idiots in our society have made them rich beyond their wildest dreams. If people worked as hard to take care of themselves as they do in the worship of these nobodies, our society would be much better.

mariua on

You know whats beautiful too…. saying NO TO PHOTOSHOP!

Andrea on

Breastfeeding makes my stomach turn!

Love Chrissy on

I love it when you can see someone is so obviously head over heels in love with their babies. This is what I take away from any article I read regarding Chrissy and John when they’re talking about their precious one. I can’t, at this moment (I’m sure I’ll think of someone later), think of another couple who actually make their child a part of their lives in the entertainment world. Meaning they share with people. I couldn’t care less if they ever show any pictures of Luna. What I mean by that statement is that they seem to fit their lives around their baby instead of fitting their baby around their lives. That they don’t fit their child in whenever they can. Obviously I’m not in their lives but how often do you actually hear, read, or see Kim K talking about her children or see her with them? I think some are so focused on fame, on making that almighty dollar, that they don’t take care of their actual family. Again….this is just my opinion and I do know I don’t have all the “inside” info. I’m basing this solely on the stuff presented to the media and, although I’ve never actually watched any of the Kard stuff, I have seen the previews and I’ve never seen them talk about the kids in terms of being focused on the kids. It’s usually about whether or not Kim can handle another baby. If you work as much as she says she and Kanye work…then they don’t spend much time with their children. It isn’t possible.

Tyra on

Love her! She is gorgeous lady.

Maria on

Little innocent baby and word MILF should never ever be in the same sentence non less in the same frame

Anonymous on

Adorable baby…video sucked…lol…

Anonymous on

Luna is adorable but that video was horrible.

Raidergirl926 on

People magazine you do know in the real world MILF stands for “mom I liked to fuck”? Shame on you for once again promoting trash.

Sue Moffatt on

Mothers think it’s beautiful breastfeeding their own babies, but it isn’t beautiful for others to look at it. Keep your breastfeeding pictures private please.

Jess on

Calling yourself a MILF is low class. U don’t care how hot you are, try keeping it classy.