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Kendall Jenner showed off her slender frame while shopping in Malibu on Wednesday, and it looks like the 17-year-old model was feeling a bit camera shy!

Maybe she's just bummed about her apparent split from boyfriend Julian Brooks? After exchanging a string of cryptic tweets, it looks like the two teens have ended their romance of over a year.

The other day Kendall wrote, "A jealous girlfriend is a faithful girlfriend. If she doesn't get jealous when someone has your attention, it's because someone has hers." Brooks is entering his sophomore year at the University of Nevada-Reno, where he plays football, so we're guessing his return to school put a serious strain on their relationship.

After Kendall's telling tweet, Julian re-tweeted a friend's message saying, "This whole night just went to sh*t in EVERY way possible," later writing, "thats what happens when people start being fake ... loyalty and truth is l need." On Sunday Brooks quoted Usher's infamous breakup song and tweeted, "gotta let it go, gotta let it burn."

Aww, we're sure Kendall will find love again!