Share: Title:Hayden Summerall ( LIVE in Concert ) Little Do You Know by Alex & Sierra Duration: 3:38 Plays: 8.2M views Published: 7 years ago Download MP3 Download MP4 Simillar Videos ▶️ 2:58 Hayden Summerall - Different - Official Music Video With Tegan Marie 8.2M views • 5 years ago ▶️ 3:07 Alex & Sierra - Little Do You Know (annie Leblanc & Hayden Summerall Cover) 8.2M views • 7 years ago ▶️ 3:40 Hayden Summerall - Smiles For You - (official Lyric Video) 8.2M views • 6 years ago ▶️ 3:04 Hayden Summerall - Nothin' To Lose (official Music Video) 8.2M views • 10 months ago ▶️ 3:38 Johnny Orlando Vs. Hayden Summerall - Guess The Post 8.2M views • 5 years ago