It looks like Matthew Koma
has been definitely 'calling' Carly Rae Jepsen
, for over a year.
The 'Call Me Maybe' singer and Koma went public with their year-long relationship at the GetGlue HD Launch Party at the Standard, East Village in New York City this week.
"He introduced her as his girlfriend," a source said of Koma. "He seemed really excited about it, and she was smiling from ear to ear by ...