Shears performed with Erasure's Andy Bell on "Thought It Was You", on Bell's 2005 album "Electric Blue". He has also collaborated with Tiga on "Hot in Herre", "You Gonna Want Me", and "What You Need" from Tiga's album "Ciao!". He also worked on Finnish house musician Luomo's "If I Can't". Together with Babydaddy, he co-wrote with Kylie Minogue on her hit single "I Believe in You" for her greatest hits compilation "Ultimate Kylie". Shears and Minogue also co-wrote "Too Much" with Calvin Harris for Minogue's number one album "Aphrodite". In 2011, Shears collaborated with John Garden to write the music for a musical version of the book "Tales of the City". The show is directed by Jason Moore. Shears was featured on the track "Metemya" of Amadou and Mariam's 2012 album "Folila". Shears also wrote the foreword to the award-winning '80s 7-inch vinyl cover art book "Put the Needle on the Record". In 2013, he appeared on the Queens of the Stone Age album "...Like Clockwork", providing backing vocals on the song "Keep Your Eyes Peeled". He duetted with Cher on the track "Take it Like a Man" for her 2013 album "Closer to the Truth".