07:53 AM EDT 12/18/2014
Originally posted 08/04/2014 10:10AM
When couple Alex Kinsey and Sierra Deaton took to the X Factor stage last year with a sultry version of Britney Spears's hit "Toxic," they turned Simon Cowell's – and America's – heads.
Top 5 Most Voted Stories
Police Searching for Parents of 3-Year-Old Girl Abandoned at Los Angeles Mall
Prince William and Princess Kate Take Prince George to See Santa
See Lance Bass and Michael Turchin on Their Wedding Night (PHOTO)
Jessica Simpson Shows Off Her Toned Legs on Instagram (PHOTOS & VIDEO)
The Daily Treat: Homeless Kitten Born Without Eyelids Will Have Full Vision Thanks to Giving Doctor
Top 10 News Categories
The most buzzed about stars this minute!
Treat Yourself! 4 Preview Issues
More On PEOPLE.com
Got a News Tip?
Send it to our People.com editors!