"Can U Believe" is the third single from Robin Thicke's second studio album The Evolution of Robin Thicke. It was released to Urban AC radio on April 12, 2007. Originally "Got 2 Be Down" was expected to be the 3rd single but due to Faith Evans' pregnancy the plans for the release of the single were scrapped even though the song had already begun receiving airplay. "Got 2 Be Down" was later released as the album's fourth single.

The single, to date, has peaked at number fifteen on Billboard's Hot R&B/Hip-Hop Singles & Tracks. It debuted on the Billboard Hot 100 at number one hundred in the chart week of August 18. In September 2007, the song re-entered the Billboard Hot 100 at #99. "Can U Believe" peaked at number twelve on the Hit Las Vegas R&B chart in May 2007.

The video appeared on 106 and Park on May 9, 2007 as "The New Joint of the Day" on BET.

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