Alex & Sierra “Say Something” Video

Alex & Sierra sing A Great Big World's "Say Something"
Talent Show

Alex & Sierra sing A Great Big World’s “Say Something” | THE X FACTOR USA

Alex & Sierra left a mark with their performance of A Great Big World’s “Say Something.” What did their mentor, Simon Cowell, have to “say” afterwards? This was a great reality talent show were Alex & Sierra sing A Great Big World’s “Say Something”.

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