It is not the first time Ed and Liam have collaborated musically - with the red-haired singer working with One Direction on their big hits Little Things, Moments and 18 between 20.Liam's debut album is set to be a star-studded affair, with hip hop ground Migos confirming they have worked on a song with the singer last month.
The hip hop trio, involving rappers Quavo, Takeoff, and Offset, revealed they had not only produced a track, but had even filmed a music video with the new father.
They explained to NME: 'We just came from a video shoot with my boy Liam from One Direction.
A source revealed to the publication: 'Liam and Ed have been friends for years, ever since Ed first wrote for One Direction on their debut album.
'With Ed's expertise in creating a hit Liam knows they can't go wrong.
His companion was seen holding a phone playing music up to Liam's face, causing him to jolt out of his slumber.