Ben Simmons Reportedly Concerned That Ex Tinashe Is “Stalking” Him & Kendall Jenner

Looks like it isn’t all smooth sailing for Kendall Jenner and her Aussie NBA star boyfriend Ben Simmons as his ex-girlfriend Tinashe reportedly won’t leave them alone.

Insiders told TMZ that the singer has become obsessed with Ben and his model girlfriend and is “stalking” them to the point where he’s had to up his security to ensure their safety.

“We’re told Ben is convinced Tinashe cannot accept the fact he ended their relationship and has moved on with Kendall,” says the source. “He believes she’s showing up to keep tabs on him so she can see if there’s a chink in the armour between him and Kendall.”

The Philadelphia 76ers player reportedly dumped Tinashe in May, just days before he started dating the reality star which majorly pissed Tinashe off.

The songstress has been spotted at the same venue as Simmons and Jenner a several times including a few weeks back at West Hollywood spot Poppy and last week at Delilah’s.

Both times Tinashe allegedly left the venue just moments after her ex and his new girlfriend left. While exiting the club, she told TMZ that Simmons was texting her.

“He’s texting me,” she said. “What the hell? What is he doing? What an idiot!”

Tinashe later admitted to lying about Simmons’ texts to stir up more drama.

“We’re told Ben called Tinashe out after seeing our video Friday morning,” TMZ reports. “She admitted she made it up and created unnecessary tension.”

Despite Tinashe’s efforts, Simmons and Jenner are reportedly doing just fine with an insider telling PEOPLE that their relationship is escalating.

“Kendall and Ben have spent the past few days together in L.A,” says the source. “They do seem a bit more serious.”

“They seem to have a great time together. Kendall looks happy with Ben,” a second source says. “You can tell she is enjoying her summer.”