Two years after her split from Seal, Heidi Klum is reportedly single once again.

The “Project Runway” star has broken up with her boyfriend, bodyguard Martin Kirsten, after more than a year of dating, according to “People.”

“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.”

Yet Klum and Kirsten separated several weeks ago and are no longer working together.

“Life is about timing. He was incredibly supportive and they were there for each other, but they’re moving on now,” another source added. “They still have a great friendship.”

Aside from her work on “Runway,” Klum will also be back for the ninth season of “America’s Got Talent” later this year.

She is also hosting “Sports Illustrated Swimsuit: 50 Years of Beautiful,” a two-hour special that will air February 3 at 9pm on NBC.

The special will feature appearances from Marisa Miller, Kate Upton, Tyra Banks and more, along with performances from Enrique Iglesias, Tim McGraw, Lady Antebellum and John Legend.

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