Britney Spears is convinced her latest collection of tunes won't disappoint.
"I think it's my best work yet," she said of her upcoming album Femme Fatale when she swung by Ryan Seacrest's radio show this morning. "I actually listened to it on the way over here. It's definitely something that you want to work out to. It's definitely upbeat."
The disc, which drops March 29, features the new sure-to-be-a-hit single "'Til the World Ends" and it's, by far, Brit's favorite track.