Gwen Stefani, singer of US band No Doubt, performs during the 2012 MTV European Music Awards show at the Festhalle in Frankfurt, central Germany, Sunday, Nov. 11, 2012. (AP Photo/Michael Probst)

Photo by: Michael Probst

Gwen Stefani, singer of US band No Doubt, performs during the 2012 MTV European Music Awards show at the Festhalle in Frankfurt, central Germany, Sunday, Nov. 11, 2012. (AP Photo/Michael Probst)