Singles
In early 2008 the song "Outta My Head (Ay Ya Ya)" was released as the lead single off Bittersweet World. The song was well received by critics and fans. An EP including the songs "Rule Breaker" and "Catch Me When I Fall" was released on February 2008 to support the release. Also a music video was released, and it was a hit on YouTube having more than six million views. The song didn't chart as high as her past lead singles, although it hit high positions in international charts.
On February 25, Simpson announced on her website that "Little Miss Obsessive" was going to be released as the second single. The song features Plain White T's lead vocalist Tom Higgenson. On March 11, 2008 the song was released to mainstream radios. No music video was released to support the release, although it peaked higher than the lead single "Outta My Head (Ay Ya Ya)".
Read more about this topic: Bittersweet World