"Love Is a Four Letter Word" was nominated for a 2012 Grammy Award for Best Engineered Album, Non-Classical. Mraz won a 2013 People's Choice Award for Favorite Male Artist. He performed at Farm Aid 2011 in Kansas City. In 2012 he played sold-out shows at the Hollywood Bowl in Los Angeles, Madison Square Garden in New York and the O2 Arena in London, and performed at President Barack Obama and family's lighting of the national Christmas tree at the White House; a noted Obama supporter, he has also performed at numerous other events involving Obama and Vice President Joe Biden. Also in 2012, he performed "You Did It" at the presentation ceremony for the Kennedy Center's Mark Twain Prize for American Humor, won that year by Ellen DeGeneres.