Preview: Chris Brown x Aaliyah - They Don't Know (Behind The Scenes Video)

As previously reported, Chris Brown's new single titled "They Don't Know" will feature Aaliyah.

The singer recently shot a video for it in Los Angeles and you can now listen to a portion of the song at the 4:00 and 6:30 marks in the video posted below.

His new album X is releasing on July 16th.