Oscars 2014: P!nk, Bette Midler to perform during the ceremony

The pair of singers joins an already impressive field of performers at the March ceremony, which includes all of the Oscar-nominated Original Songs.

Karen O, Idina Menzel, U2 and Pharrell Williams will performing their respective Original Song nominees. Karen O is performing "The Moon Song" from "Her," Menzel is performing "Let It Go" from "Frozen," U2 is performing its song "Ordinary Love" from "Mandela: Long Walk to Freedom" live for the first time, and Williams will perform "Happy" from "Despicable Me 2" at the ceremony.

In addition to the performances, the ceremony will include a "Wizard of Oz" tribute, it will celebrate movie heroes, feature college students and will be hosted by one funny lady.