Hayden Panettiere gushes about boxer boyfriend

Hayden Panettiere has opened up about her relationship with boxer boyfriend Wladimir Klitschko for the first time, branding their union "an exciting experience."The "Heroes" actress, 20, has been dating the 33-year-old Russian since December, but she has kept quiet about their romance.She was rumored to have dumped the sporting star for her ex-boyfriend, Hard Rock Cafe heir Harry Morton, after they were spotted together in Los Angeles last month.Panettiere dismissed the speculation, insisting she is "just friends" with Morton...!