Kourtney Kardashian Wears Sister Khloé's New Good American Collection -- Shop Her Jeans

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The Poosh founder rocks stylish skinny jeans from her sister's brand in a new campaign.

Kourtney Kardashian is gorgeous in a new campaign for sister Khloé Kardashian's denim line, Good American. The 42-year-old reality TV star shared the sultry photo on Instagram, posing on a bed in just a pair of skinny jeans. Kourtney wrote, "I think I found The One." Khloé additionally wrote, "I think @kourtneykardash found The One 😍 and they look damn good together!!"

The "Find The One" campaign is for a new collection that drops on Sept. 28. Shoppers can sign up for the waitlist to get notified once the new styles drop, including the exact Good Classic in the Blue508 wash Kourtney is wearing. The jean has a skinny fit and a high-rise, gap-proof waistband to help make the legs look long.

While we wait for the new collection to drop on Tuesday, one can still shop Good Classic jeans in a variety of colorways and washes to add to a fall wardrobe.

Khloé isn't the only sister Kourtney is modeling for. Kourtney stars in a campaign for sister Kim Kardashian West's shapewear line, SKIMS. The Poosh founder poses in the sexy photos with Megan Fox, who is dating Machine Gun Kelly, a friend and musical collaborator of Kourt's boyfriend, Travis Barker.

Sign up for the waitlist to be the first to shop the new Find The One collection and shop ET Style's current favorites from Good American below. 

Good '90s in Blue542

Good '90s in Blue542
Good American

Good '90s in Blue542

Loose, baggy, '90s-inspired jeans are a huge trend right now. 

Good Classic in Black159

Good Classic in Black159
Good American

Good Classic in Black159

These vintage black wash jeans will become your go-to for fall and winter. 

$159

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Contour Sherpa Jacket

Contour Sherpa Jacket
Good American

Contour Sherpa Jacket

A cozy sherpa shirt jacket to wear with everything from leggings to dresses. 

Seamless Mock Neck Bodysuit

Seamless Mock Neck Bodysuit
Good American

Seamless Mock Neck Bodysuit

Don't sleep on Good American bodysuits! Our top pick is this versatile mock neck design. 

Plaited Rib Midi Dress

Plaited Rib Midi Dress
Good American

Plaited Rib Midi Dress

A soft, comfortable and sexy knit body-con dress to take you from day to night. 

Good Classic Textured Vinyl in Black001

Good Classic Textured Vinyl in Black001
Good American

Good Classic Textured Vinyl in Black001

This vinyl style is the ultimate going-out pant. 

$175

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