Ingrid Andress has slashed some of her upcoming shows in the aftermath of her National Anthem disaster -- and it appears to be directly related to her saying she's hitting rehab.
The country singer was set to perform at Nashville's Row One on Wednesday night and then at Denver's Globe Hall the following Wednesday -- but tickets are now unavailable, and the dates have been completely wiped from her website.
BARELY HOLDING IT TOGETHER Courtesy of MLB / ESPN
Ingrid's majorly scaling back her slate of upcoming performances -- by half, in fact -- 'cause the next time she's set to perform after these 2 nixed gigs is in Minneapolis on Aug.