Actress Hayden Panettiere and boxer Wladimir Klitschko engaged Wladimir Klitschko arrivse on the red carpet before the World Music Awards at the Sporting Club in Monte Carlo, Monaco on May 17, 2010. The award show raised funds to open an orphanage in earthquake-ravaged Haiti. LOS ANGELES, March 27 (UPI) -- "Nashville" star Hayden Panettiere and Ukrainian boxer Wladimir Klitschko are engaged and planning a summer wedding, UsMagazine.com reported. "Very few people know and she isn't wearing her ring publicly yet," a friend of the couple told the celebrity magazine. Looks like a summer wedding! Panettiere, 23, and Klitschko, 37, broke up in May 2011 after dating for two years. They reconciled in January. UsMagazine.com didn't say exactly when the couple became engaged.