" They dated for three years.
To mark the momentous occasion, Daily Star Online have browsed through the archives to reveal our favourite looks from over the years.
In a November 10 post, Heidi shared a snapshot taken while she was on set, and she noted that she loved her job in the caption.
The proud mom uploaded the cutest photo with , Helene, 16, Henry, 14, Johan, 13, and Lou, 10, and husband.
Ariel stole the show as she walked the carpet wearing a sheer, strapless dress detailed with crystals and sequins.
In keeping with the comfortable and beachy vibe, she also wore a plunging white top and pair of strappy sandals as she carried a large brown bag over her right shoulder.