Is Kylie Jenner getting "too old" for her boyfriend, Tyga? That's what everyone is guessing, as there's a new report that says the couple might be calling it quits any day now as they are growing further apart by the minute.

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According to Naughty Gossip on Friday, Kylie and Tyga were spotted dining together at a Calabasas, California restaurant this past week. Unfortunately, Kylie spent more time looking at her smartphone than engaging in any conversation with her rapper boyfriend.

An eyewitness said, "Kylie Jenner and Tyga - roughly one year into their relationship - ate out in Calabasas. Everything new gets old. Sometimes faster than you'd expect. As the adage goes - show me a beautiful woman, and I'll show you a man who's tired of ... watching her stare into her phone."

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What's more, Tyga is supposedly getting bored with Kylie while he has his eyes on much younger conquests. Sources close to the rapper say that he's losing interest in Kylie now that she's no longer a minor.

An insider said, "She is getting too old for him. Now she is no longer dangerous, he seems to have lost interest in her. Don't expect this to last much longer."

So far, neither Kylie nor Tyga have made any comments about the report.

Keep up with Enstars for all the latest news on Kylie Jenner, Tyga, and all of your favorite Kardashians.