Kendall Jenner Breaks Down on This Sunday's "Keeping Up with the Kardashians": Watch Here!

Kendall Jenner Breaks Down on This Sunday's

It”s tough being in the middle, and Kendall Jenner had a rough time feeling left out during Sunday”s episode of “Keeping Up with the Kardashians” (August 4).

As the family gathered for breakfast during their vacation to the Greek Island of Mykonos, the 17-year-old reality star felt excluded.

As older half-sister Khloe rushed to check on her in a preview, the young model tearfully told her to go away and abruptly stormed out.

To find out what”s up with Kendall, check out “Keeping Up with the Kardashians” this Sunday at 9:00pm ET on E!