And the truth is finally REVEALED!!!
[Image via Kylie Jenner/Instagram.]
Ahh, we just absolutely LOVE this time of year and with the Rockefeller Center's Christmas tree finally lit, it's definitely looking a lot like X-Mas!!
Not only was she a beautiful sparkling ball of tinsel at the event, she beautifully covered the Christmas classic too!
Is there anything this girl can't do?!
Ch-ch-check out her beautifully sung performance (above)!!