She sang with Il Divo as part of Il Divo's Christmas Tour on , 16 and 17, 2009, in New York City and in Boston. She has sung the U.S. national anthem at various sporting events, including the 2010 New York Yankees home opener, at Candlestick Park for the NFL's NFC Conference Championship on January 22, 2012, at the Arizona Cardinals' season opener in 2016 and their game at University of Phoenix Stadium against the Seattle Seahawks on November 9, 2017. Also in 2010, Chenoweth hosted the 15th Annual Broadcast Film Critics Association Awards on VH1.