16 April 2015 at 2:22 PM

Katharine McPhee Sings Tax Day Carols with James Corden on 'The Late Late Show' - Watch Here!

katharine mcphee sings tax day carols with james corden 083348560

About Photo #3348560: Katharine McPhee gets silly with Mario Lopez wile making an appearance on Extra at Universal Studios Hollywood on Wednesday (April 15) in Universal City, Calif.…Read More Here