Kylie JennerandTravis Scottweren’t quite on the same page when it came to their future, a source tells PEOPLE.

The couple, who share 20-month-old daughterStormi, have decided totake a break from their relationshipafter more than two years together — and a source says their clashing priorities contributed to the split.

But while the makeup mogul, 22, is ready to settle down and expand their family, Scott, 28, is still focused on his booming music career. According to the source, the stress of their lifestyles put a strain on the relationship.

“She still has trust issues with Travis. He hasn’t been giving her the commitment that she needs,” says the source. “Travis isn’t ready to give her all that she wants.”

Jeff Kravitz/FilmMagic

Kylie Jenner and Travis Scott

And when it comes to relationship role models, Jenner is looking at sisterKim Kardashian West, 38, for inspiration.

“Kylie looks up to Kim and really wants was she has withKanye [West],” says the source.

Jenner and Scott have yet to publicly address the break and reps for the couple have not responded to PEOPLE’s request for comment.

The two werelast seen togetherat the premiere of Scott’s Netflix documentary,Travis Scott: Look Mom I Can Fly, on Aug. 28.

Travis Scott and Kylie Jenner with daughter Stormi.Tommaso Boddi/Getty

Travis Scott and Kylie Jenner

But Scott was noticeably absent at Hailey Baldwin andJustin Bieber‘sweddingin South Carolina on Monday evening. Jennerattendedwith Stormi, her mom Kris Jenner and sister Kendall Jenner.

Jenner and Scott have been dating since they were spotted cozying up together at Coachella in 2017. The pair recently opened up about their relationship inPlayboy‘s “Pleasure Issue,” with Jenner revealing, “We’re always laughing or getting into deep talks.”

In July, a source told PEOPLE, “Kylie is very happy with her life,” adding that she and Travis were “discussing marriage.”

source: people.com