"Baby When the Light" is the third single from French DJ David Guetta's third studio album, Pop Life. The song features vocals by singer Cozi Costi. The song was written by Guetta and singer-songwriter Cathy Dennis, whose previous hits include "Touch Me (All Night Long)" as well as co-writing numerous dance-pop songs such as Kylie Minogue’s "Can't Get You Out of My Head" and Britney Spears' "Toxic". The single was released in November 2007.

The Baby When the Light music video is about a young girl, played by model Kelly Thiebaud, who goes to the beach and dreams about befriending a handsome surfer. While walking her dog, she decides to rest on the beach where she starts dreaming. As the video proceeds, strange things start to happen, girls in bikinis start dancing, an old woman starts rubbing herself with lotion as she watches the young surfer via binoculars. Close to the end of the video, the woman is finally approached by the surfer after exchanging smiles throughout the video. He then invites her to surf with him. The video ends as the girl wakes up from her dream, and finds no one around her but her dog. The video was filmed on a beach near Los Angeles, California.

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