How did an innocent interview with Little Mix turn into a sex education lesson?! It happened on the iHeartRadio Countdown with Matty Acton! Watch above.

On a totally different topic, see what Jesy wants invented for adults below:

And, do Little Mix worry about ageing? Find out below!

Want more? Here's one of our fave moments from Jase & PJ – they’re always up to something! Weekdays from 6AM on KIIS 101.1!