Comedian Heather McDonald out of the hospital after collapsing during performance at Tempe Improv

Celebrity comedian Heather McDonald is out of a Valley hospital now after collapsing during her show in Tempe Saturday night.

McDonald said she was taken to St. Joseph’s Hospital over the weekend as they ran tests to figure out what happened when she fell about three minutes into her act at Tempe Improv. Ultimately, McDonald said they don’t really know why she collapsed.