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"U Know What's Up" is a 1999 hit song by singer-songwriter-producer Donell Jones' second studio album, Where I Wanna Be. The song features Lisa Lopes of TLC. It reached number one on the U.S. Billboard Hot R&B/Hip-Hop Singles & Tracks chart on November 13, 1999, and stayed at number one for eight consecutive weeks. It reached a peak of number seven on the Billboard Hot 100 in Jones's native United States on December 18, 1999, remaining there for two consecutive weeks. The single peaked at number two in the United Kingdom . The song was produced by Edward "Eddie F" Ferrell and Darren Lighty for Untouchables Entertainment. It is Jones's biggest hit to date. The song was co-written by Anthony Hamilton.
There is a remix also produced by Edward "Eddie F" Ferrell and features new verses by Jones and verses by rappers Xzibit, 50 Cent, Pharoahe Monch, Fat Joe, Cuban Link, & Treach of Naughty by Nature on a new urban beat. There is also a radio version that excludes Left Eyes rap bridge catered to Adult R&B formats.
The video features rapper Lisa Lopes of TLC, YoungBloodZ, T.I., Usher (Jones' childhood friend) and Big Boi of OutKast, all of whom were (including Jones) part of the LaFace Records label. At the beginning of the video, there is a sign that says La Face Place, in reference to the record label.
|End of year chart (2000)
|U.S. Billboard Hot 100