Carrie Underwood

"I think that might be illegal!" she admits.

It's almost time to sing "Auld Lang Syne" and say goodbye to 2015 -- but not before we remember the Top 10 country songs of the year.

Carrie Underwood has become one of the biggest names in country music, but the Oklahoma native also has a deep love for all things rock 'n' roll.

Those darn zippers!

She may end up having to make something.

Recall the two Dallas Cowboy quarterbacks that dated singers?

It "definitely caught me off guard," she admits.

Did we stump you?

There's been an unexpected upside.

Her 5-year-old son, Isaiah, totally stole the show on his mom's new Christmas record.