Heidi Klum has said "auf wiedersehen" to boyfriend Martin Kirsten.
A rep for the "America's Got Talent" judge confirms to Yahoo that the couple has broken up after a year and a half of dating.
The romantic relationship between Heidi, 40, and Martin, 41, began while he was serving as a bodyguard for her family.
"Martin was there for her during a challenging time in her life and it was something she will always be grateful for," a source tells People.
People reports that Heidi and Martin have ended their professional relationship as well.
Klum was previously married to singer Seal from 2005-2012. The couple separated in January 2012 and became officially divorced in April 2012. They have three biological children together.
While Seal and Heidi's split seemed amicable at first, things got ugly later that summer when he accused the supermodel of cheating on him with Martin.
Klum was previously married to stylist Ric Pipino from 1997-2002. She has a daughter with previous boyfriend Flavio Briatore.
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