Acting couple Ali Larter and HAYES MACARTHUR are to wed in Maine on Saturday, according to U.S. reports. The “Heroes” star and her husband-to-be will exchange vows on his family property in Kennebunkport, according to In Touch magazine. Larter’s best friend, actress Amy Smart, will be among the wedding party, A source tells the publication, “Hayes is really excited to spend time with a lot of his old buddies that he played football with at Bowdoin College in Maine and Ali just wants a dream wedding and for everything to be perfect.” The couple won’t be the first celebrity pair to wed in Maine this summer – American Idol judge Kara Dioguardi exchanged vows with her new husband Mike McCuddy there earlier this month.