Amanda Seyfried is engaged to “Last Word” co-star Thomas Sadoski after six months of dating, Page Six confirmed Tuesday.<br />Seyfried parked engagement rumors last week after she was photographed in New York wearing a thin band on her ring finger.<br />The “Mean Girls” beauty met Sadoski, 40, last year after working together on the off-Broadway play “The Way We Get By.”<br />They were first romantically linked in March while shooting the yet-to-be-released flick “The Last Word.”
