The pair have been dating since October 2007 but recently decided to call time on their romance and remain close friends.
A Hollyoaks spokesperson confirmed to DS: "Carley Stenson and Ricky Whittle have announced their decision to separate. The pair remain good friends but do not wish to comment any further."
Whittle - who plays Calvin Valentine in the Channel 4 soap - is currently competing in BBC One's annual reality contest Strictly Come Dancing with dance partner Natalie Lowe and is enduring a gruelling schedule to fulfil both commitments.
Stenson stars as Hollyoaks' Steph Dean.