Miley Cyrus and Britney Spears are too racy for daytime French TV.

France's broadcast watchdog says TV channels should only show Miley's video for Wrecking Ball and Britney's video for Work Bitch after 10pm, when French broadcasters show a range of programming more suited to adults.

The watchdog, CSA, said in a statement some channels were showing them in the daytime and without parental guidance warnings.

Miley writhing naked around a wrecking ball is too sexually explicit, it says.

And Britney, with her bondage gear, shows "a sadomasochistic universe representing women in a way that risks shocking many viewers".