Listen up guys, there's another super model back on the market! Heidi Klum and her bodyguard boyfriend Martin Kirsten have called it quits a source tells US Weekly adding, "He is no longer working with her or her family." Heidi and Martin began dating shortly after her split from Seal confirming the romance to Katie Couric in 2012. But it looks like that rebound was short lived because Heidi is single once again! We can't wait to see who the famous blonde dates next!