#britney #Britney Spears #britney live #Las Vegas #Piece Of Me #break the ice #gimme more #best performance #full show #december 2015 #january 2016 #Live in concert #Manila #Osaka #Tokyo #Bangkok #Thailand #Vietnam #Israel #Tel Aviv #Speed S #may 2017 #may 20 #toxic #stronger #i'm a slave 4 u #february #april #me against the music #work bitch #womanizer #live vocals #mic feed #dance #choreography #tour #2017 #opening night #wardrobe malfunction #night 2 #microphone #lip sync