"Kendall and Ben are not together, but the two are on good terms," the source says. "Both Kendall and Ben are extremely busy, and for now the relationship doesn't work for them. Kendall and Ben have taken breaks in the past and have gotten back together."
Speculation that they had reignited their romance was rife after they spent New Year's Eve together in New York.
And, a reconciliation certainly appeared to be the case as they enjoyed their time together in Miami on Monday.