Sponsored Links Josh Groban Currently Dating Kat Dennings Kat Dennings Josh Groban Photos, News, biography Michelle Trachtenberg From 2012 to 2012 (Relationship) Selma Blair From 2010 to 2010 (Relationship) Katy Perry From 2009 to 2009 (Encounter) January Jones From 2003 to 2006 (Relationship) Sponsored Links Josh Groban NewsJosh Groban Deletes Tweet Joking About Mariah Carey’s New Year’s Eve Performance: ‘Not Out to Diss Artists’Josh Groban and Kat Dennings Break Up After Almost 2 Years of Dating