Alex & Sierra - Little Do You Know (Official Video)
3:05
Alex & Sierra - Little Do You Know (Official Video)
126.5M viewsOct 6, 2014
YouTubeAlexSierraOfficVEVO
Alex and Sierra - Animals (Stairwell Sessions)
3:52
Alex and Sierra - Animals (Stairwell Sessions)
261K viewsDec 5, 2016
YouTubeAlex & Sierra
Alex & Sierra - Let Her Go (Live The X Factor)
2:26
Alex & Sierra - Let Her Go (Live The X Factor)
113.6K viewsJan 17, 2014
YouTubeAlex and Sierra Music
Alex & Sierra - Say My Name (Live The X Factor)
2:03
Alex & Sierra - Say My Name (Live The X Factor)
58.7K viewsJan 17, 2014
YouTubeAlex and Sierra Music
Alex & Sierra - Gravity (Live The X Factor)
2:42
Alex & Sierra - Gravity (Live The X Factor)
51K viewsJan 17, 2014
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Alex & Sierra - Toxic (Live The X Factor)
2:11
Alex & Sierra - Toxic (Live The X Factor)
42.8K viewsJan 17, 2014
YouTubeAlex and Sierra Music
Britney Spears - Toxic (Alex & Sierra cover)
4:13
Britney Spears - Toxic (Alex & Sierra cover)
6.6M viewsAug 5, 2016
YouTubeAlex & Sierra
3:04
Alex & Sierra - Little Do You Know (Lyrics)
9.8M viewsOct 8, 2024
YouTubeEthereal Music
4:45
The X Factor USA 2013 - Alex and Sierra's Auditions Toxic
3.8M viewsSep 12, 2013
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1:34
Alex & Sierra "Blurred Lines" - Live Week 1 - The X Factor USA 2013
2.2M viewsOct 30, 2013
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46:16
All Alex and Sierra Performaces on T X FACTOR US 2013
2M viewsDec 22, 2013
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2:16
Alex & Sierra "Say Something" - Live Week 6 - The X Factor USA 2013
1.4M viewsDec 5, 2013
YouTubeEduardo Villavicencio
2:42
Alex & Sierra "Gravity" - Live Week 7: Semifinal - The X Factor USA 2013
1.1M viewsDec 12, 2013
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0:55
'X Factor' Stars Alex & Sierra Break Up As A Band, Couple
605K viewsSep 6, 2017
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4:56
Alex and Sierra Start to Cry While Singing Bumper Cars - LIVE AT UCF
2.9M viewsAug 23, 2014
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2:30
Alex & Sierra - Give Me Love [Final] (Live The X Factor)
30.8K viewsJan 17, 2014
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3:16
Alex and Sierra Perfom "Little Do You Know" - LIVE AT UCF
171.1K viewsSep 2, 2014
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1:35
Alex & Sierra - I Heard It Through The Grapevine (Live The X Factor)
19.7K viewsJan 16, 2014
YouTubeAlex and Sierra Music
3:26
Alex & Sierra - You Will Find Me (Audio)
4.3M viewsNov 1, 2016
YouTubeAlex & Sierra
3:27
Alex & Sierra - Alex & Sierra - 'It's About Us' Release Week
154.6K viewsNov 13, 2014
YouTubeAlexSierraOfficVEVO
2:37
Alex & Sierra - Addicted To Love (Live The X Factor)
15.5K viewsJan 16, 2014
YouTubeAlex and Sierra Music
4:02
Alex & Sierra - Toxic / Thrift Shop (Live Brooklyn NY)
153.7K viewsAug 22, 2014
YouTubeAlex and Sierra Music
1:26
Alex & Sierra "You're The One That I Want" - Four Chair Challenge - The X Factor USA 2013
1.5M viewsOct 11, 2013
YouTubeEduardo Villavicencio
1:52
What happened between Alex and Sierra?
20.1K viewsJan 14, 2021
YouTubeAsk About Wellness & Tech
3:42
Alex & Sierra - "Up Close" in Tampa
308.8K viewsJan 30, 2015
YouTubeAlexSierraOfficVEVO
3:30
Destiny's Child - Say My Name (Alex & Sierra cover)
15.3M viewsSep 21, 2016
YouTubeAlex & Sierra
4:08
Alex & Sierra - Bumper Cars (Acoustic Video)
1.7M viewsAug 30, 2014
YouTubeAlexSierraOfficVEVO
3:19
Alex & Sierra - Little Do You Know (Lyrics)
56.3M viewsApr 24, 2020
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2:51
Alex & Sierra - Best Song Ever (Live The X Factor)
23.2K viewsJan 17, 2014
YouTubeAlex and Sierra Music
3:51
Sara Bareilles - Gravity (Alex & Sierra cover)
1M viewsNov 1, 2016
YouTubeAlex & Sierra
See more
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Short videos

3:05
Alex & Sierra - Little Do You Know (Official Video)
126.5M viewsOct 6, 2014
YouTubeAlexSierraOfficVEVO
3:52
Alex and Sierra - Animals (Stairwell Sessions)
261K viewsDec 5, 2016
YouTubeAlex & Sierra
2:26
Alex & Sierra - Let Her Go (Live The X Factor)
113.6K viewsJan 17, 2014
YouTubeAlex and Sierra Music
2:03
Alex & Sierra - Say My Name (Live The X Factor)
58.7K viewsJan 17, 2014
YouTubeAlex and Sierra Music
2:42
Alex & Sierra - Gravity (Live The X Factor)
51K viewsJan 17, 2014
YouTubeAlex and Sierra Music
2:11
Alex & Sierra - Toxic (Live The X Factor)
42.8K viewsJan 17, 2014
YouTubeAlex and Sierra Music
4:13
Britney Spears - Toxic (Alex & Sierra cover)
6.6M viewsAug 5, 2016
YouTubeAlex & Sierra
3:04
Alex & Sierra - Little Do You Know (Lyrics)
9.8M viewsOct 8, 2024
YouTubeEthereal Music
4:45
The X Factor USA 2013 - Alex and Sierra's Auditions Toxic
3.8M viewsSep 12, 2013
YouTubenewcontrast
1:34
Alex & Sierra "Blurred Lines" - Live Week 1 - The X Factor USA 2013
2.2M viewsOct 30, 2013
YouTubeEduardo Villavicencio
46:16
All Alex and Sierra Performaces on T X FACTOR US 2013
2M viewsDec 22, 2013
YouTubeFernando Tomaselli
2:16
Alex & Sierra "Say Something" - Live Week 6 - The X Factor USA 2013
1.4M viewsDec 5, 2013
YouTubeEduardo Villavicencio
2:42
Alex & Sierra "Gravity" - Live Week 7: Semifinal - The X Factor USA 2013
1.1M viewsDec 12, 2013
YouTubeEduardo Villavicencio
0:55
'X Factor' Stars Alex & Sierra Break Up As A Band, Couple
605K viewsSep 6, 2017
YouTubeWochit Entertainment
4:56
Alex and Sierra Start to Cry While Singing Bumper Cars - LIVE AT UCF
2.9M viewsAug 23, 2014
YouTubeYessica Villanueva
2:30
Alex & Sierra - Give Me Love [Final] (Live The X Factor)
30.8K viewsJan 17, 2014
YouTubeAlex and Sierra Music
3:16
Alex and Sierra Perfom "Little Do You Know" - LIVE AT UCF
171.1K viewsSep 2, 2014
YouTubeYessica Villanueva
1:35
Alex & Sierra - I Heard It Through The Grapevine (Live The X Factor)
19.7K viewsJan 16, 2014
YouTubeAlex and Sierra Music
3:26
Alex & Sierra - You Will Find Me (Audio)
4.3M viewsNov 1, 2016
YouTubeAlex & Sierra
3:27
Alex & Sierra - Alex & Sierra - 'It's About Us' Release Week
154.6K viewsNov 13, 2014
YouTubeAlexSierraOfficVEVO
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