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Meet model Kourtney Kellar, wife of the NBA’s Isaiah Hartenstein: the couple met on Instagram in 2019 and married 4 years later, now they’ve moved to Oklahoma and welcomed a baby boy

Kourtney Kellar, model and wife of former New York Knicks centre Isaiah Hartenstein. Photo: @kourtney_kellar/Instagram
Kourtney Kellar, model and wife of former New York Knicks centre Isaiah Hartenstein. Photo: @kourtney_kellar/Instagram

The Texan model is from a military family and was living in Dallas when Hartenstein slid into her DMs; now they’re embarking on a new chapter after Hartenstein’s move to the Oklahoma City Thunder

Isaiah Hartenstein is making big moves these days! After two seasons as part of the Knicks, the German-American professional basketball player has traded New York for Oklahoma after signing an US$87 million dollar three-year contract with the Oklahoma City Thunder.
Kourtney Kellar shared a heartfelt farewell to New York on Instagram, posing in her husband’s No. 55 “City Edition” jersey. Photo: @kourtney_kellar/Instagram
Kourtney Kellar shared a heartfelt farewell to New York on Instagram, posing in her husband’s No. 55 “City Edition” jersey. Photo: @kourtney_kellar/Instagram

Hartenstein’s wife, Kourtney Kellar, shared a heartfelt farewell to the Big Apple on Instagram over the summer, posting a photo of herself wearing her husband’s No. 55 “City Edition” jersey with the caption “Thank you for 2 amazing years New York! Going to miss this city & the great people in it”. Kellar, a model, married Hartenstein in the summer of 2023.

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Isaiah Hartenstein and Kourtney Kellar got engaged in 2022. Photo: @ipjh55/Instagram
Isaiah Hartenstein and Kourtney Kellar got engaged in 2022. Photo: @ipjh55/Instagram

The couple met in 2019 when Hartenstein slid into Kellar’s Instagram DMs. Three years later, they got engaged and moved to Westchester, New York, near the Knicks training facility.

Kourtney Kellar trying on wedding gowns. Photo: @kourtney_kellar/Instagram
Kourtney Kellar trying on wedding gowns. Photo: @kourtney_kellar/Instagram

With 440,000 followers on TikTok and almost 700,000 on Instagram, Kellar has a significant online presence – some may remember her viral moment in September 2021 when she was a ring girl for Jake Paul during his boxing match against Tyron Woodley.

 

Curious about Kourtney Kellar? Read on to learn more about Isaiah Hartenstein’s wife.

She’s originally from Texas

Kourtney Kellar grew up in Dallas, Texas, and comes from a military family. Photo: @kourtney_kellar/Instagram
Kourtney Kellar grew up in Dallas, Texas, and comes from a military family. Photo: @kourtney_kellar/Instagram