Sister Wives star Christine Brown’s daughter Ysabel, 20, is not wearing a bra during her London trip and risks a wardrobe malfunction

CHRISTINE Brown’s daughter Ysabel narrowly avoided a major wardrobe blunder while wearing a tube top in London.

The ‘Sister Wives’ child star flew to England this week with her sisters Truely and Mykelti, as well as their mum Christine and fiancé David Woolley.

But while enjoying the sights and sounds of London, 20-year-old Ysabel almost suffered a serious wardrobe malfunction.

The young reality star was taken with her Instagram profile over the weekend to share a few snaps from their brief jaunt across the pond.

In the first photo, the TV personality posed on a city street while wearing a black crop top and jeans.

But in a second snap, Ysabel was moments from exposing her chest as she started moving in front of Camden Lock Bridge.

The blonde lifted her left foot and smiled brightly while showing off her cute outfit, which consisted of black jumpsuit and white tube top.

Christine and Kody’s daughter paired the look with white sneakers and oversized earrings.

Ysabel wore her long blonde hair sleek and minimal makeup on her fun day of exploring.

The TV star jumped to the side while holding a beer and laughed as her top almost fell down the front.

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The 20-year-old was moments away from revealing it all in the sexy snap.

Ysabel captioned her post, “A few days in London,” letting fans flood the comments section with their compliments.

The Utah native has been enjoying her England vacation with her family this week.

However, just days before her departure from the US, she gently launched her new boyfriend and fans have been demanding more information ever since.

Sister Wives fans have been watching Ysabel growing up on the TLC show, and now it seems like she has a new boyfriend.

She shared a new one set of photos Her Instagram read, “Celebrating Gwendlyn and Bea and the moments in between and after.”

Gwendlyn is her 21 year old sister and Bea is Gwen’s new wife Beatriz Queiroz.

The couple married on July 15 and Ysabel’s social media post was full of photos from her sister’s wedding week.

The first photo in the Instagram carousel was a black and white snap featuring Ysabel, one of her sister Mykelti’s children, and the mystery man.

This picture was taken at Gwen’s wedding reception.

A neon sign behind them read “The Queirozes,” and they were smartly dressed.

In addition to the photo, the mysterious man made two other small appearances in the photos.

His face was not visible, but it appeared to be him as he wore the same bracelet in all three pictures.

In the comments section of Ysabel’s post and on Reddit, fans begged the reality star to reveal the details about her new husband.

One asked, “Is this a soft launch?!?”

Someone else said, “Oh um, who’s the beast of a guy with your hand on his thigh?”

“I love that for her!! But I hope she doesn’t get married as soon as all her sisters have been,” added a third.

Another said: “That looks like a man she has experienced some fellowship with.”