Jessie J might be new on the music scene, but she's already written songs for the A-List of pop, including Miley Cyrus, Christina Aguilera and Alicia Keys.
This happens more often than you would think, with a host of stars penning songs for other artists.
We take a look at some of the other singers who are serial songwriters for other stars...
Looking for something different? Try our weird news!
With Tongue in Cheek, a Look at the Great New World Ahead
Upon reading the evening news, it would appear that almost everyone agrees at this point that global warming or climate change is happening.
WiFi Small Print
22,000 people agreed to clean toilets for WiFi because they did not read the terms.
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
Floating Hotel Room
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Does Horse Riding Make You Smarter?
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Would You Donate Your Brain?
Scientists are appealing for more people to donate their brains for research after they die.
Is Man Really From Mars?
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.