3:04   Alex & Sierra - Little Do You Know (Lyrics) 3:05   Alex & Sierra - Little Do You Know (Official Video) 3:41   Alex Sierra - Little Do You Know (TikTok Version Slowed Down) 4:27   2Pac ft. Sierra Deaton - Little Do You Know (NodaMixMusic Mashup) [Sad Songs] 3:07   Alex & Sierra - Little Do You Know (Annie LeBlanc & Hayden Summerall Cover) 3:02   Alex & Sierra - Little Do You Know (Lyrics) 2:32   Nightcore - Little Do You Know (Switching Vocals) - (Lyrics) 4:27   2Pac ft. Sierra Deaton - Little Do You Know (NodaMixMusic Mashup) 3:19   Annie LeBlanc & Hayden Summerall - Little Do You Know (LIVE) 3:38   Alex & Sierra - Little Do You Know (𝒮𝓁𝑜𝓌𝑒𝒹 𝒟𝑜𝓌𝓃) 3:02   Alex & Sierra - Little Do You Know (Annie LeBlanc & Hayden Summerall Cover) / Lyrics 3:09   Alex & Sierra - Little Do You Know (Lyrics) 4:19   2pac-- little do you know ( sad love song) 3:19   Alex & Sierra - Little Do You Know (Karaoke Version) 3:16   Annie LeBlanc & Hayden Summerall - Little Do You Know (Live in Houston) 3:19   Alex & Sierra - Little Do You Know (Lyrics) 2:35   [Music Box] Alex & Sierra - Little Do You Know 3:09   Alex & Sierra - Little Do You Know (Lyrics) 3:06   [Vietsub + Lyrics] Little Do You Know - Alex & Sierra | FLIPPED