Guess The Record-Breaking Babe With The #1 Hit!

Can you guess which country music star is posing pretty and politely in this green bikini selfie?!

She recently surpassed Mariah Carey's "All I Want for Christmas Is You" to set the record for the most weeks at #1 on the Billboard Hot 100.

Heading into this weekend's MTV VMA's, she's locked in with two nominations: Song of the Year and Best Country.