"Be Without You" Is A Song By American Recording Artist Mary J. Blige. It Was Written By Johnta Austin Bryan Michael Cox Jason Perry And Blige For Her Seventh Studio Album The Breakthrough. Produced By Cox And Ron Fair It Was Released As The Album's First Official Single On September 15 2005. Ranking Among The Most Played Songs On US Radio In The Year 2006 The Single Was Certified Double-Platinum By The RIAA In 2007. In March 2017 Billboard Magazine Ranked "Be Without You" As The Most Successful R&B/Hip-Hop Song Of All Time. It Is Also One Of Mary J. Blige's Most Successful Singles To Date Peaking At Number Three On The Billboard Hot 100. The Song Was Nominated For Record Of The Year And Song Of The Year And Won The Best R&B Song And Best Female R&B Vocal Performance Categories At The 2007 Grammy Awards.