Hayden Panettiere might be out of the market soon as her boyfriend Milo Ventimiglia is reportedly planning to propose to her later this year. Rumors of engagement started after a close source revealed that the Heroes handsome star has been shopping for engagement rings. The insider says, “Milo was looking at rings in late June. He really likes Cartier and intends to spend around $200,000.” Milo,31, and Hayden, 18, have been dating since the beginning of the year.