A new social media trend began sweeping the internet in 2019: the "10-Year Challenge." Depending on how you feel about getting older (and, therefore, looking older), it's either the best thing ever ... or the worst thing ever.

Also called the Aging Challenge, the #GlowUp Challenge and the #HowHardDidAgingHitYou Challenge, the 10-Year Challenge asks participants to post two photos: one of themselves now, and one of themselves at least 10 years ago. Naturally, plenty of celebrities have gotten in on the 10-Year Challenge — but since they lead busy lives and don't always have time to jump on internet trends, we decided to do a comparison of our own.

Flip through the photo gallery below to see side-by-side comparisons of some of your favorite country stars in 2009 and now. Some of them don't look one bit different (what's your secret, Reba McEntire?), while others (um, hello, Dierks Bentley!) have aged like a fine wine.

#10YearChallenge: See Carrie Underwood, Luke Bryan + More Then and Now: