Khloé Kardashian set up a major family milestone on Monday when she brought along her two children to their father Tristan Thompson’s latest basketball game.

Sources told TMZ that this marks the first time that the kids have gotten to see their dad play a professional game.

The 39-year-old reality icon was spotted in video from Cleveland.com as she arrived at Rocket Mortgage FieldHouse to see Tristan’s Cleveland Cavaliers square off against the Boston Celtics in game four of the Easter Conference semifinals.

Accompanying her were her two children: six-year-old daughter True Thompson and 21-month-old son Tatum.

Khloé even brought along some extended family, as she also brought along her sister Kim Kardashian’s son Saint West, eight.

She was pictured from behind in the footage as she bypassed the crowds to arrive via a VIP area in the stadium.

In a video shared by Celtics on NBC Sports Boston, Kardashian could be seen greeting her ex with a hug.

The proud dad appeared excited to see his two kids as they joined him in the courtside seats.

The social media star was decked out in all black with a hooded black leather jacket and matching leather pants for a striking look.

True looked cute in a pink T-shirt with short and shimmering metallic purple cowboy boots to mark the special occasion, while little Tatum held Khloé’s hand and wore a black jersey with his father’s name and number on the back.

Saint was also showing his support for Tristan with a burgundy jersey, and the kids were joined by a male pal who repped Khloé’s ex as well.

According to TMZ’s sources, it was True who set the family outing in motion.

She has reportedly been begging her mom to take her to one of Tristan’s NBA games, and she decided to bring both the kids to see the Cavaliers play the Celtics.

The sources added that Tatum is likely too young to get much out of the game, but Khloé is excited to see his reaction to spotting his dad on the court.

Although he’s still not yet two years old, Tatum was looking particular mature as he walked into the stadium with his mother by his side.

Khloé seems to be done with trying to revive her relationship with Tristan after multiple betrayals from the serial cheater, but they have a strong co-parenting relationship, and sources added that she wants to make sure True and Tatum get to spend plenty of time with their father.

Tristan will be facing off against some of his former teammates at Monday’s game. After playing for Cleveland since 2011, he was traded to the Boston Celtics in 2020.

He only played in Boston for a year, and subsequently played closer to his family with the Sacramento Kings from 2021 to 2022, before he was traded to the Indiana Pacers — who then bought out his contract — and the Chicago Bulls, who took him on later in the year.

Last year, he began a stint with the Los Angeles Lakers, which saw him playing again with his old Cleveland teammate LeBron James.

It was another short-lived stint, and in September 2023 he signed a one-year contract to return to the Cavaliers.

Thompson had a bumpy return, as he received a 25-game suspension without pay from the NBA in January of this year after he tested positive for two banned substances, ibutamoren and SARM LGD-4033.

Tristan and Khloé had revived their family enough to plan to welcome their son Tatum via surrogacy, but shortly before he was born, Khloé learned that the NBA player was expecting a child with another woman.

She carried on, though, and the two have continued to co-parent Tatum just like their daughter True.

Earlier this month, Khloé opened up on the SHE MD podcast about how she struggled to think of a name for Tatum because she hadn’t carried him herself.

‘I wasn’t carrying him, I didn’t really feel anything,’ she admitted, adding that the struggle was amplified because her family didn’t even know that she was expecting a second child yet.

‘I actually didn’t legally name Tatum, I think for maybe eight months,’ she added, while noting that she didn’t want to give him as offbeat a name as some of her sister’s children.

Khloé nicknamed him ‘Papa’ for much of that time, but she eventually settled on Tatum, and she said she’s now ‘obsessed’ with her baby boy.