Kim Kardashian surprised by Kendall's birthday party

Los Angeles: Reality TV star Kim Kardashian was surprised when she found out that her step-sister Kendall Jenner threw a birthday party but didn't invite her.

According to Kim's younger sister Khloe, the ‘Keeping Up With The Kardashians’ star was shocked when she heard her half-sister hadn't included her in her 19th birthday celebrations Monday, reports femalefirst.co.uk.

"I asked Kim, 'Oh are you going tonight?' And she was like, 'I didn't know Kendall was doing anything!," Khloe was quoted as saying.

"I don't know if she was late to be invited, but I'm invited, so I feel good about that!'."