New Couple Alert? Kylie Jenner and Travis Scott Sit Courtside Together at NBA Playoffs Game -- See the Pics!

The 19-year-old reality star and her rumored beau cheered on the Houston Rockets to a 105-99 victory over the Oklahoma City Thunder on Tuesday.

Is Kylie Jenner moving on with rapper Travis Scott?

Just a few days after the two were spotted holding hands at the Coachella Valley Music and Arts Festival in Indio, California, the pair attended game five of the Western Conference Quarterfinals of the NBA Playoffs between the Oklahoma City Thunder and Houston Rockets on Tuesday.

WATCH: Kylie Jenner and Tyga Both Attend Coachella But Party Separately

The rumored couple sat courtside at the game, held at the Toyota Center in Houston, Texas, and although they didn't show any major PDA, they seemed to be having a blast cheering on the Rockets to a 105-99 victory over the Thunder.

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Jenner, 19, went casual for the outing, rocking an oversized red T-shirt, distressed denim jeans and trendy black kicks. The 24-year-old rapper, a native of Houston, opted for gray camouflage pants, a black-and-white flannel and blue Nike sneakers.

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"Travis Scott and Kylie have known each other for a couple of years," a source close to Jenner told ET on Wednesday. "They have mutual friends in Los Angeles and have been going to the same events. I'm not sure if I'd call anything official as of yet, but seems like it's more than just a friendship now."

"[Kylie's ex] Tyga would forbid Kylie from hanging out with guys," the source added, telling ET Tyga and Jenner's new rumored beau are not friends. "He was a very jealous boyfriend. I'm not sure how close of friends Kylie and Travis could be since she was with Tyga for so long."

While Jenner was enjoying the NBA Playoffs game, Tyga was spotted out and about with Scott Disick at the TAG Heuer unveiling of Amgen Tour of California Best Young Rider Jersey with Brand Ambassador Alec Monopoly at Galerie Montaigne in West Hollywood, California. The source close to Jenner tells ET that the rapper and beauty guru are broken up right now.

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"Who knows with Kylie and Tyga. They are together one minute and not the next," the source said. "They have taken many breaks before but Kylie says they are officially broken up this time."

"Not many people believe her, since this has happened so many times before, but she has been in a much worse place with him," the source continued. "She is madly in love with him and always managed to find a way to forgive him. He has moved out of her home and into his own place."

In response to the photos of Tyga hanging out with model Jordan Ozuna, who looks a lot like Jenner, last weekend, the source is "not sure" if they're "officially dating."

WATCH: Tyga Cozies Up to Kylie Jenner Look-Alike Jordan Ozuna, She Insists They're Not Dating

At the time, Ozuna shut down any rumors of a romance with the rapper, tweeting, "Omg y'all I'm not dating tyga. Come on."

Hear more on that rumored relationship in the video below.

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