KOURTNEY Kardashian showed major underboob with Travis Barker at the premiere of The Kardashians.

Rumors have been swirling about the Keeping Up With the Kardashians alum being pregnant with her fiancé’s child.

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On Thursday, Kourtney was spotted making her way down the red carpet at a star-studded event celebrating the upcoming premiere of The Kardashians.

She attended the celeb-filled bash with Travis, 46, her children and his older kids.

The Poosh founder donned a cape-like top that hung low in the back and exposed a portion of her breast in the front.

Kourtney showed off her stomach amid rumors that she is pregnant with her first child with Travis.

Kourtney and Travis seemed to ignore all the buzz about them – pregnancy-related and otherwise.

The couple recently shocked fans, as well as their own friends and family, when they ran off and tied the knot in a Los Vegas chapel after the Oscars.

They beamed as they posed for photos with their respective children during Thursday’s event.

With the children in tow, the pair refrained from their usual over-the-top shows of affection.

The Blink-182 rocker wore a sharp black suit with a black shirt to the event.

Like Kim Kardashian‘s beau Pete Davidson, who was also in attendance, he polished the look off with a pair of slim black shades.

FAMILY AFFAIR

Travis’ children, Alabama and Landon, were in attendance.

His daughter wore an all-black look that consisted of a corset.

Her blond hair hung in chunky curls over her shoulders.

Landon wore an outfit much like his fathers, accessorizing with sunglasses and a dangling earring.

He shares the teens with ex-wife Shanna Moakler.

Meanwhile, Kourtney brought son Reign along.

The pair shared a sweet moment, as the youngster appeared to begin running around on the red carpet while Kourtney looked on smiling in video captured and shared by E!.

At one point, Travis was seen chatting with Khloe Kardashian, who was holding her daughter True Thompson in her arms.

AMICABLE EXES

Also in attendance at the event was Kourtney’s ex, Scott.

He walked down the red carpet with Rebecca Donaldson on his arm.

The entrepreneur wore a black suit with a white shirt.

Mason and Penelope Disick did not appear to be with either Kourtney nor Scott at the event.

He appeared in a much better place than he did during a recent outing – one of the first after Kourtney and Travis’ surprise wedding.

The 38-year-old was spotted outside of Catch LA in West Hollywood with Rebecca, 27, hours after news broke of his ex’s nuptials. 

The New York native wore a black zipped-up hoodie, dark-colored pants, and a backward baseball cap while his date matched his color scheme with a short black mini dress and high heels. 

Scott appeared sad, keeping his hands in his pockets as he and the model headed inside.

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