Kris Jenner gives a rare update on how Rob Kardashian's doing

​The Kardashian/Jenner gang were out in force last night celebrating Kylie Jenner’s 21st ​birthday. But one person missing from the shindig was Rob Kardashian, who has been shunning the limelight of late. Kris Jenner has now given us a rare update on how Rob, 31, is doing at the minute.

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