Just one night after Demi Moore was rushed to the hospital for inhaling too much nitrous oxide -- Ashton Kutcher hit up a Bruno Mars concert in Brazil ... where he fist-pumped his brains out.
The video was shot the same night Ashton dropped by a nightclub in Sao Paulo with a mystery female companion in a red shirt -- the same girl is standing beside him at the Bruno Mars concert.
As we previously reported, Ashton gave a Brazilian photog the cold shoulder when asked if Demi was okay -- giving no answer.
After Demi Emergency
1/26/2012 8:50 AM PST BY TMZ STAFF
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