"Sumthin' Sumthin'" is a mid uptempo song by American neo soul singer Maxwell. The third single from Urban Hang Suite. It peaked at number 22 on the Hot Dance Music/Maxi-Singles Sales. An alternate version of the song, titled "Sumthin' Sumthin': Mellosmoothe", was released as a single from the soundtrack album to the film Love Jones (1997). The soundtrack album's single peaked at number 23 on the Hot R&B/Hip-Hop Singles & Tracks chart. The song scored him a second UK top 40 peaking to 27 on UK Singles chart. The woman featured in the song's music video is French fashion model Chrystele Saint-Louis Augustin.