Lyrics:

It must have been the mistletoe
The lazy fire, the falling snow
The magic in the frosty air
That feeling everywhere
It must have been the pretty lights
That glistened in the silent night
It may be just the stars so bright
That shined above you
Our first Christmas
More than we'd be dreaming of
Oh, Saint Nicholas had his fingers crossed
That we would fall in love
It could have been the holiday
The midnight ride upon sleigh
The countryside all dressed in white
The crazy snowball fight
It could have been the steeple bell
That wrapped us up within its spell
It only took one kiss to know
It must have been the mistletoe
Our first Christmas
More than we'd be dreaming of
Oh, Saint Nicholas must have known that kiss
Would lead to all of this
It must have been the mistletoe
The lazy fire, the falling snow
The magic in the frosty air
That made me love you
On Christmas Eve our wish came true
That I would fall in love with you
It only took one kiss to know
It must have been the mistletoe
It must have been the mistletoe
It must have been the mistletoe
One kiss to know
I love you so