Anthony Michael Mortimer (born 21 October 1970) is a British singer, songwriter and record producer from London. He is a former member of the boy band East 17, who were originally active from 1991 to 1997 and sold over 20 million records worldwide. Mortimer wrote the band's only number-one single, "Stay Another Day".
Mortimer was a member of the 1990s boy band East 17, and was the band's primary songwriter. With East 17, Mortimer had seven top ten singles and four hit albums on the UK Singles Chart and UK Albums Chart respectively between 1992 and 1997. He turned to songwriting when the group disbanded in 1997, due to negative media coverage after fellow member Brian Harvey said that he had taken 12 ecstasy tablets in one night. In 1998, Mortimer's East 17 bandmates briefly re-formed the group without him, and released two singles as E-17. They disbanded again the following year.
During his time in East 17, Mortimer wrote the Childliners "The Gift of Christmas" which was a charity single featuring other popular chart acts at the time such as MN8, Backstreet Boys, Peter Andre, Boyzone and Dannii Minogue among others.
In 2010, East 17 re-formed as a three piece (minus former lead singer, Brian Harvey) and were seeking a new lead singer, a position filled in 2011 by Blair Dreelan. They released the single "Secret of My Life" from the projected album Recharged but Dreelan left the band due to a contractual obligation not to contribute to East 17, while he was still connected w…