The UK talk about music videos and sex takes a step toward action with a proposal to amend the 1984 Video Recordings Act, which failed to imagine a future where media isn't consumed via physical formats, or the emergence of full-scale nudity in music videos.
The '84 act stipulated that any movies you buy or rent on DVD, BluRay, VHS, etc, must be rated by the British Board of Film Classification, ranging from Suitable For All to Suitably Only For Adults, with stopovers at ages 12 and 15 (which are essentially the equivalent of PG and PG-13). The proposed change would broaden the net to also cover content that's viewed and/or distributed online.
The other change deal with the actual content itself. Long exempt from the act, however, have been products which are primarily about music, sports, religion and education. That could be changing for music videos that meet any of the below criteria:
