Online reports said the ` ` ' '' were unable to perform in Serbia . The Serbia concert was suppose to kick off a 12-date European tour . Amy Winehouse 's attempt at a European concert tour ended in Belgrade , Serbia , with a train wreck of a performance Saturday night in which she staggered around the stage and stumbled through several songs . Winehouse entered a rehab facility last month to prepare for the tour .
Online reports said the ` ` ' '' were unable to perform in Serbia . The Serbia concert was suppose to kick off a 12-date European tour . Winehouse entered a rehab facility last month to prepare for the tour .