One Tree Hill's Jana Kramer and Brantley Gilbert Call Off Engagement

One Tree HillalumJana Kramer and country star Brantley Gilbert have called off their engagement, Peoplereports.
Celebs who are out and proud
A source close to the couple says the duo split because of their busy careers, insisting that there was no "foul play" involved.
Gilbert, 28 and Kramer, 29, had been dating for a year when the former popped the question at the Nashville's Ryman Auditorium Theater in January. Kramer was previously married to actor Johnathon Schaech for one month.