Ellona Santiago & Alex & Sierra: 'X Factor' Top 8 Performances - Watch Now!

Ellona Santiago & Alex & Sierra: 'X Factor' Top 8 Performances - Watch Now!

Ellona Santiago and Alex & Sierra hit the stage during the Top 8 episode of The X Factor on Wednesday night (November 27) in Los Angeles.

The 17-year-old singer belted out Jessie J‘s “Mama Knows Best,” while the Florida duo sang their own rendition of Taylor Swift‘s “I Knew You Were Trouble.”

PHOTOS: Check out the latest pics of X Factor

“blown away by dress rehearsal. every one sounds and looks AMMAAAZZZINNNGGGG!” Alex & Sierra tweeted earlier in the day.

Watch Ellona Santiago and Alex & Sierra perform below!


Ellona Santiago – “Mama Knows Best”

Alex & Sierra – “I Knew You Were Trouble”
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