song that at a putted jessie j on to the global music stage in late 2010, when she was just 22 years old. this started very young for you, but do you recollect when you first started listening to music? >> the first album that i bought was miss education lauren hill which came out 19 years ago so i was 10. i remember walking to dance school and remember singing i was just a little girl ♪ skinny legs ♪ ♪ mother always thought ♪ >> i remember thinking i want to write songs like this when i'm older. >> jessie j is now 29 with a smattering of her own hits. the ♪ who's laughing now ♪ >> i just want a popular song, are there things you kind of know, this collection of sounds put together this way is going to have a certain catch to it?