hilary duffJesse Grant/WireImage; LAC/Fame Pictures

Hilary Duff is engaged to her longtime boyfriend Mike Comrie. Her rep confirmed that the NHL hockey player, who plays centre for the Edmonton Oilers, proposed to the actress while vacationing in Hawaii over the weekend:  After having been together for over two years, they’re very excited to share this happy news. They are thankful for all your warm wishes.  Duff was spotted showing off her gorgeous new princess cut sparkler at the Four Seasons Resort in Maui where the two were celebrating their engagement. Congratulations to the happy couple!