Circus (Britney Spears album) "Circus" marked the longest time she had spent recording an album, adding, "I think it is more urban [...] I'm writing every day, right here at the piano in this living room" and also described the album as her best work to date. Producer Claude Kelly discussed the album's initial lack of concept saying, "When I went in with [Dr. Luke] we knew we were going to maybe write something for [Britney], but there was no concept, it was just knowing her style and knowing what she does. Max Martin, who produced Spears' debut single "...Baby One More Time", produced
Britney Spears: Piece of Me Tour United States are sponsored by PepsiCo, while the UK shows are sponsored by Britney Spears Fragrances. The tour received polarizing reviews throughout its run. Cristina Jerome from the "Miami New Times" stated "The Piece of Me Tour was for Britney Spears’ day-one fans. The Princess of Pop allowed her audience to experience her career from the late '90s to the present day while sprinkling in a few hits from her latest studio album, Glory." Although complementing Spears' show production and stage presence, accusations of lip-syncing were mentioned. In defence of Spears' lip-syncing accusations, Louis Staples from "The Independent" reviews the