Christina Aguilera loves hiking

London: Singer Christina Aguilera reveals that she loves to go hiking with her boyfriend Matthew Rutler.

The 31-year-old is adventurous, but doesn`t enjoy wearing casual footwear during such trips.

"My boyfriend and I started hiking. He got me in a pair of sneakers - no heels, no red soles. So out of character for me," quoted Aguilera as saying.