TOP 5 Amazingly Romantic “X Factor” Couples Will Melt Your Heart

They Sing From Their Hearts Straight Into YoursLove is in the air with these couples who took their relationships to the limit on “The X Factor” stage. Watch the romance fly as the songs soar from all around the world.

From the United States to Spain, from the UK to Bulgaria, these five couples show off the true power of singing as a couple on “The X Factor.” Each of these duos come to audition as lovers hoping to cement their relationship and win the grand prize.

Our particular favorite was the pair that sang in Spanish. Their beautiful voices and their obvious affection for one another blew us away. And who can forget Alex and Sierra, this time singing a stripped-down version of “You’re the One that I Want” from “Grease.”