Semi-Final: Ali Bastian's Argentine Tango

Subscribe and 🔔 to the BBC 👉 https://bit.ly/BBCYouTubeSub Watch the BBC first on iPlayer 👉 https://bbc.in/iPlayer-Home http://www.bbc.co.uk/strictly It's the semi finals of Strictly Come Dancing and the pressure is mounting. Ali Bastian and her dance partner Brian Fortuna perform an Argentine Tango to "Pa Bailar" by the Bajofondo Tango Club. #bbc