Top 13-"So What" by Pink
David Cook-"Permanent"-after his performance he made an announcement that you could buy the performance off of iTunes and all proceeds would go to a charity ABC2(Squared)
Queen Latifah & Lil Rounds-"Cue the Rain" by Queen Latifah
Jason Mraz, Anoop Desai & Alexis Grace (the rest of the top 13 minus Kris & Adam joined at the end of the song)-"I'm Yours" by Jason Mraz
Keith Urban & Kris Allen"Kiss a Girl" by Keith Urban
Top 13 girls-"Glamorous" by Fergie
Fergie-"Big Girls Don't Cry"
The Black Eyed Peas-"Boom Boom Pow"
Cyndi Lauper & Alison Iraheta-"Time After Time" by Cyndi Lauper
Danny Gokey-"Hello" by Lionel Richie
Lionel Richie & Danny Gokey-"Just Go" and "All Night Long" by Lionel Richie
Adam Lambert-"Beth" by KISS
KISS & Adam Lambert-"Detroit Rock City" and "Rock and Roll All Night" by KISS
Carlos Santana & Matt Giraud-"Black Magic Woman" by Santana
Carlos Santana & Top 13-"Smooth" by Santana
Megan Joy, Michael Sarver with Steve Martin playing banjo-"Pretty Flowers" by Steve Martin
Top 13 guys-"Do You Think I'm Sexy?" by Rod Stewart
Rod Stewart-"Maggie May"
Kris Allen & Adam Lambert-"We Are the Champions" by Queen. This was a little different then most Top 2 duets as the band Queen performed the song and at the end the rest of the Top 13 joined on stage (however they didn't really sing).
After winning Kris Allen performed his debut single "No Boundaries"
*Lionel Richie is the 100th special performer on the stage, when not including former Idol contestants. Videos are also not included. Judges, i.e. Paula Abdul, who performed are included though.