Steven Tyler in rehab for painkiller addiction

File - Vocalist Steven Tyler of the rock band Aerosmith performs at the Verizon Wireless Amphitheatre in this June 10, 2009 file photo taken in Maryland Heights, Mo. (AP Photo/Jeff Roberson, File) (AP Photo/Jeff Roberson, File)

December 23, 2009 8:27:27 AM PST
Steven Tyler has entered a rehabilitation facility to treat an addiction to painkillers the Aerosmith frontman has taken to cope with 10 years of performance injuries.