You know no one can deliver a ballad better than Mariah--and she delivers yet again with her heartbreakingly beautiful new song "Bye Bye."

"Bye Bye," the 2nd single from the most anticipated album of the year, E=MC?, is available for your listening pleasure on MariahCarey.com

"Bye Bye," which also hits U.S. radio stations today was written by Mariah Carey and So So Def/Island Records recording artist Johnta Austin, and produced by Mariah and the Norwegian hit-making duo Stargate.

Mark your calendars..."Bye Bye," the follow up single to Mariah's record-breaking 18 #1 Billboard Hot 100 single Touch My Body will be available to download at iTunes Monday, April 14.

Set your Tivo & DVR's...Don't miss Mariah perform "Bye Bye" live on The Oprah Winfrey Show on Monday, April 14th and again on American Idol on Wednesday, April 16!