But Spears struggled to stay in costume throughout the long shoot and slipped her feet into her cushioned Ugg boots whenever she could to rest her sore feet. In
Her shoe discomfort wasn't the only complaint Spears had onset - the underground, post-apocalypse-style shoot got a little too dirty for the singer. She adds, "The set was a little much. It was grimy and it was gross and it felt like there was poop everywhere when there really wasn't, it was just sweat everywhere. It was disgusting sometimes. It was a bit much, yeah. (But) I tough it out... It was fun, it was a lot of fun."
The TV special aired in the U.S. on Sunday, April 3.