WATCH: Little Mix Reveal 5 Secrets You Definitely Didn't Know About Them #PSST

They're one of the most famous girl bands of all time but even Jesy, Perrie, Leigh-Anne and Jade have secrets you know!

Okay #Mixers, you think you know the lil muffins better than anyone else? Well we've got five things to tell you about the girls that might actually surprise you! Any idea what Jade just CAN'T do or what Leigh Anne's childhood nickname was? Time to find out!

Little Mix's Hair Transformations: 27 Of The 'Black Magic' Stars' Best Looks

Little Mix have been absolutely storming the music biz in the past 12 months with both 'Black Magic' and their beautiful duet with Jason Derulo 'Secret Love Song' dominating the Vodafone Big Top 40.

39 Of The Biggest Celebrities' First EVER Instagram Posts

So take it from us, be sure not to take Jesy into the creepy crawly section at the zoo and the next time you see Leigh Anne, get her attention by shouting out Cutie4Real. Although judging by Perrie's reaction...maybe not.