What a group!

Jimmy Kimmel put on a star-studded performance Tuesday night for his annual (RED) episode to raise money and awareness for AIDS.

Julia Roberts, Channing Tatum, Bono, Neil Patrick Harris, Brandon Flowers, Kristen Bell and more gathered around a piano with Kimmel, where they showed off their killer voices.

Check out the clip above to see their original show tunes!

Each dressed in their black tie finest, the celebs sipped on martinis as they sang songs with lyrics like, "We've got Ferraris and a weekend home in Carmel, but if we don't help people with AIDS, we're going to hell."

1123_NPH_insetLaunch GalleryJimmy Kimmel LiveSee More Leading Men -- Then & Now!

Julia likewise asked NPH and Tatum to show off their tap dancing skills, before Jimmy reminded the dynamic duo that they were tapping on carpet.

What do you think about Kimmel's epic celeb performance? Tell toofab below and check out the gallery above to see more leading men then and now!

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