"I Just Wanna Know" is the debut single written and produced by English singer and songwriter Taio Cruz.

"I Just Wanna Know" was released as the lead single from Cruz's debut studio album Departure (2008).

The music video for "I Just Wanna Know" lasts for a total length of three minutes and forty-four seconds.

[1] The video depicts Cruz performing the song at a country house, surrounded by a posse of guests, who have turned up for a dinner party.

The music video for the re-release of "I Just Wanna Know" lasts for a total length of four minutes and six seconds.