Heroes actor said to have chosen a Cartier ring for her
And the Heroes actor, 31, is going all out to impress his 18-year-old co-star.
‘He was looking at rings and really likes Cartier — he intends to spend $200,000 [£100,000],’ a source tells The Sun.
Milo and Hayden are currently looking for a house together in LA.
It is thought he will propose later this year.