Rumors about the couple began to spread after their on-screen romance in the movie "Camp Rock," but the couple did not officially announce that they were dating until March 13, 2010.
Demi said that they had started out as best friends, but decided to take their friendship to the next level.
Earlier this year, when the costars decided to test the romantic possibilities of their rock-solid friendship, they felt compelled to do so in public; when they broke up just a few months later, Joe announced it by issuing a statement, and Demi—always true to her loyal fans—decided to confirm the details on Twitter.
"I kind of learned throughout this whole experience that having my private life public isn't as awesome as it might seem," the seventeen-year-old says with a rueful little laugh.
The 26-year-old DNCE frontman gushed about the 23-year-old singer in an interview with E! Jonas and Lovato are longtime friends who dated for a few months in 2010. We've known Demi for so many years," he said of himself and brothers Kevin and Nick Jonas. She's just incredible." "It's not always the case [to stay friends]," the star added. We've gone through so much together and we're really close now." Jonas and Lovato skyrocketed to fame after starring in Disney Channel's (2008) with Kevin and Nick Jonas.