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Biography of Kourtney Kellar [Age, Height, Isaiah Hartenstein Wife , Kids, Family, Salary, Award & Net worth ]

NBA player Isaiah Hartenstein‘s partner Kourtney Kellar is a well-known bikini model, a beauty pageant winner, and a social media star.

In addition, Kourtney Kellar was crowned Miss Texas International in 2017 and has worked as a commercial model for several well-known brands.

Most people know Kourtney as a viral girl from Logan Paul’s video. She went trending for days after her clip with Logan Paul went viral.

Biography of Kourtney Kellar [Age, Height, Isaiah Hartenstein Wife , Kids, Family, Salary, Award & Net worth ]

NBA girlfriend Kourtney Kellar (Source: Reddit)

If you’ve ever wondered about the personal and professional life of the Kourtney Kellar, you’ll find out here. In the meanwhile, here are some basic facts about her.

Quick Facts

Full Name Kourtney Kellar
Nick Name Keller, NBA girlfriend
Date of Birth March 8, 1991
Age 31 years old
Birth Place Texas, USA
Nationality American
Ethnicity White
Zodiac Sign Pisces
Mother’s Name Michelle Kellar
Father’s Name Michael Kellar
Sibling Michael Yancey, Ashley Westfall, Ronald Gubrud, and Lana Marker.
Height 5 ft 6 in (167 cm)
Weight 54 kg (119 lbs)
Body Measurement 34-28-36
Hair Color Blonde
Eye Color Grey
Sexual Orientation Straight
Shoe Size 7.5
College/University Henderson State University
Educational Qualification Graduated
Profession Model
Title Miss Texas International 2017
Boyfriend Isaiah Hartenstein
Marital Status Engaged
Children None
Net Worth $1 to $5 million
Social Media Instagram, Facebook, Youtube, Linkedin
Last Update  July, 2022

Kourtney Kellar | Early Life

Kourtney Kellar was born on March 8, 1991, in Texas, United States. She was born to Michele Kellar (Mother) and Michael Kellar (Father).

Her father is a heart patient and has undergone several heart procedures. In February 2017, he also got a better defibrillator to control his abnormal heartbeats. Despite being ill, his father stood beside her and supported her in her memorable moments.

Biography of Kourtney Kellar [Age, Height, Isaiah Hartenstein Wife , Kids, Family, Salary, Award & Net worth ]

Kourtney Kellar Childhood photo with her mom (Source: Kourtney’s Instagram)

Likewise, Kourtney’s mother takes care of the entire family and has been her big inspiration and supporter.

She has four siblings: Michael Yancey, Ashley Westfall, Ronald Gubrud, and Lana Marker. Apart from this, she also has her mother’s half-brother named Jarrett Crowe.


For education, Kellar is a University graduate with a Bachelor of Science in Athletic Training. She graduated from Henderson State University in 2013.

Kellar was a stellar student and actively involved in extra circular activities. She was a cheerleader from her high school days. Moreover, she received a scholarship at the university and was a sizeable Co-Ed cheerleading captain.

Apart from this, Kourtney was the student activities board executive secretary and recipient of the emergency medical technician scholarship.

In addition, she has an authorized license for CPR from American Heart Association.

Kourtney Kellar | Age, Height & Weight

Kourtney Kellar was born in 1991, which makes her 31 years old as of 2022. People born in March are Pisces.

March Pisceans have strong empathy for others and tend to be too sympathetic while dealing with their troubles. This perfectly defines Kourtney as a person.

Furthermore, she was born in Texas, United States, and identifies as an American of white ethnicity. Likewise, she is a Christian.

Also, Kellar is 5 ft 6 in height and weighs around 54 kg (119 pounds). She has gorgeous blonde hair and grey eyes, making her stand out.

Kellar loves working out at the gym to keep up her slim physique. Her body measurements are 34-28-36.

Kourtney Kellar | Lifestyle

Hobbies & Interests

Regarding hobbies and interests, Kourtney has always been a fashion and model fanatic. Thus, she pursued her modeling career despite having a science degree.

Apart from this, traveling, reading, and swimming are among Kellar’s favorite pastimes. She is diet conscious, a fitness freak, and loves going to the gym daily.

Conversely, Kourtney is also a foodie. She loves eating chocolate cakes, ice cream, sandwiches, Pasta, and Pizza. She is also a coffee person and loves drinking fruit juice in summer. Her favorite cocktail is Mojito.


Diet Plan & Gym Schedule

Kourtney Kellar is a gym person and takes care of her diet correctly to maintain her hourglass figure.

For the diet plan, she usually eats bland food for breakfast, such as low-fat milk or fruit juice and sandwiches. For lunch, she mainly eats fresh vegetables and salad. She drinks coffee or juices with some nuts and dry fruit for snacks and ends the day with dinner, which is usually salads and some desserts.

As for the gym routine, Kourtney gets up early in the morning to do some yoga and stretching exercises. She also goes for a half an hour morning walk.

Kellar does pilates daily to improve her strength and stamina. She does pushups, pull-ups, crunches, and squats as part of her daily work routine.

Kourtney Kellar | Modelling Career

After graduating from high school, Kourtney Keller pursued her career in the modeling and fashion industry. It wasn’t until she was crowned Miss Texas in 2017 that her modeling career took off.

Biography of Kourtney Kellar [Age, Height, Isaiah Hartenstein Wife , Kids, Family, Salary, Award & Net worth ]

Kourtney Kellar’s smile is featured in Lays packet (Source: Instagram)

Viral Girl Kourtney Kellar

Kourtney’s beauty can make anyone fall for her. Before being known as an NBA girlfriend, Kourtney was already famous as a viral girl from Logan Paul’s video.

Logan Paul is an American YouTuber and famous boxer Jake Paul’s brother. In a boxing match where Jake had won, Logan went to take his winning interview. Kourtney was a ring girl, and her beauty captivated Logan.

In the live interview, Logan leaned toward Kourtney and said something to her. Kourtney smiled widely and nodded her head. This clip went viral, and so did Kourtney.

The flirting clip of Logan Paul and Kourtney Kellar made headlines on many news sites, and Kourtney even went on trending for days.

Kourtney Kellar | Boyfriend & Relationships

Kourtney is currently engaged to German basketball player Isaiah Hartenstein. The couple started dating on February 14, 2019, and celebrate their anniversary on valentines day.

The pair has made their relationship public and frequently posts about each other. One of Kellar’s most popular TikTok videos was a day in the life of an NBA girlfriend, and it quickly went viral. She is also seen in her game cheering him like his biggest fan.

The exciting and cute thing about the couple is the difference in their height. Isaiah is 7 ft tall, but Kourtney is just 5 ft 6 inches. That’s the 1’4″ difference! Yet this couple looks cute together.

After two years of a beautiful relationship, the couple finally took their relationship to the next level. In April 2022, Isaiah Hartenstein proposed to Kourtney for the marriage.

Biography of Kourtney Kellar [Age, Height, Isaiah Hartenstein Wife , Kids, Family, Salary, Award & Net worth ]

Kourtney Kellar with her boyfriend, Isaiah Hartenstein (Source Instagram)

The Proposal

The couple was casually hanging out in Malibu in California. Isaiah got to his knees and took out the beautiful diamond ring. He finally proposed to Kourtney, asking if she wanted to spend her whole life with him, and she, without any hesitation, said Yes!

Hartenstein wanted to capture this beautiful moment and hired a videographer to record the whole thing.

Hartenstein publicly announced in his Instagram post with their beautifully captured photo with the caption, “Excited for the next part of our journey!! Love you ❤️💍 @kourtney_kellar #foe,”

Kellar also publically announced her relationship status on Instagram. She wrote her caption in German, stating, “Ich hab ja natürlich gesagt.” which translates to, “Of course, I said “Yes.”


Before Isaiah, Kourtney was in a relationship with Chase Bryant. He is a famous singer-songwriter in the United States. The couple met during Chase’s private concert, where Kourtney was a promoting model for the event.

Chase was captivated by her beauty and publically showed interest in her. They started to see each other after the concert and ultimately fell in love.

They’d been dating for a long time and were even engaged. But, they broke up the engagement in 2019.


Social Media Presence

Kourtney Kellar is active on social media and has thousands of followers. You can follow her on the following social media handles to be connected to her:

Kourtney  Kellar | Net Worth & Salary

The net worth of Kourtney  Kellar is estimated to be anywhere between $1 million to $5 million. She earned her net worth from her primary profession as a model.

Exciting Facts About Kourtney Kellar

  • Kourtney is a pet lover, and she has a dog named Oui.
  • Her favorite color is red, but she also loves monochrome.
  • Kourtney has learned boxing for self-defense from the coach.
  • She loves traveling; her bucket destination includes Dubai, Maldives, and Paris.
  • She considers dancing part of her exercise to keep her fit and healthy.

Frequently Asked Questions (FAQS)

Are Kourtney Kellar and Logan Paul dating?

No, Kourtney Kellar and Logan Paul aren’t dating. She is engaged to German NBA player Isaiah Hartenstein. After the flirting video of them went viral, many people regarded Kourtney Kellar as the new love interest of Logan Paul and started shipping them together.

But unfortunately, the ship did not sail as Kourtney was already in a relationship with NBA player Isaiah.

What is the modeling agency of Kourtney Kellar?

Kourtney Kellar’s modeling agency is Wilhelmina Models. It is an agency based in Austin, Texas. She has been signed as a model since January 2015.

She is also working with Julie Freeman Agency for seven years and The Sculp Agency LLC for eight years.

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