It just got a little easier to “Jump A Jonas.”

Musician Joe Jonas and his country-singing GF, Taylor Swift, have reportedly broken up.

According to Us Weekly, teen music’s most sizzling unconfirmed couple are not only dunzo, but celebrity spies say the not-so charming gentleman brought down the axe on T.S via phone!

Ouch. That’s gotta hurt. Although we suppose a phone call beats the usual modern day “Dear John” letter, a text message.

A source tells Us the two – who dated for several months – split in early October. He broke up with her over the phone.

“He broke her heart.”