Anyone that has followed Carrie Underwood and her career from her days on American Idol knows the singer has slimmed considerably since. Carrie admits that she is well aware of the negative things people say about her weight on and off the Internet, and those comments resulted in her making the decision to slim down.

But look at the recent photograph above (click for full photo). Her arms are withering away!

Great American Country:

Carrie Underwood recently shared some of her secrets for staying fit with People magazine: everything in moderation (except maybe cheese) with a lot of cardio. Carrie says when some American Idol viewers were candid in their online postings about her weight, she decided to slim down but didn’t change her diet or fitness routine radically to do so.

“I do work out, but not with a trainer,” she says. “I just do lots of cardio.” And yet, after a whirlwind year (which included lots of awards and a second CD, Carnival Ride), Carrie is in better shape than ever. A longtime vegetarian, she says she watcheswhat she eats but also admits to a weakness for cheese. “I can eat a pound of it,” she says. “It’s a real problem.”

Carrie says she also keeps a snack tucked in her red carpet bags at all times. “I carry [whole-grain] Kashi bars everywhere.”