Mysterious Vine Singing Sensations 'UsTheDuo' Revealed
They are the talented twosome taking the Internet by storm.
Calling themselves "Us the Duo," Carissa and Michael Alvarado use the popular app Vine to post amazing six-second covers of hit songs. But there is a catch. The videos show only a partial view of their faces while they sing.
That is, until now.
"It's crazy," Carissa Alvarado explained of their new found fame on "GMA." "We didn't expect it at all. We just wanted to promote our album and it just took off."