Rob Kardashian Rehab [RUMORS]: 'Sizzurp' addiction prevents Kim Kardashian & Kanye West Wedding Attendance?

Rob Kardashian is heading to rehab for depression treatment at The Meadows trauma and addiction treatment center in Arizona, according to Star magazine.

The Keeping up with the Kardashian reality star allegedly has been struggling with weed, alcohol and prescription cough syrup- used for street drug sizzurp.

 "Rob has been checked into The Meadows for about a month for substance-abuse issues," a source told the mag.

The 27-year-old reality star ditched his family on their Thailand trip due to his personal struggles according to one source, "[He] has completely retreated from the family, and from his friends. But within the last few weeks, Rob has reconnected with Lamar."

Will Rob miss Kim Kardashian's and Kanye West's wedding?