Even with her high heels on, Hayden Panettiere is never going to be able to look her new boxer boyfriend in the eyes. At 6ft 6in, Ukrainian Wladimir Klitschko is more than a foot taller than the 5ft 1in star. The mismatched couple posed happily together at the Best Of Musical gala in Hamburg, Germany.In a strapless emerald green dress and taupe heels, Hayden was dwarfed by her 33-year-old lover.

As well as their height difference petite Heroes actress Hayden is 13 years younger than Klitschko. But the 20-year-old is apparently besotted with her new love.The towering Ukrainian currently holds the IBF, WBO, IBO and Ring Magazine heavyweight titles. The couple spent the New Year in Florida and Hayden reportedly postponed her flight back home to Los Angeles twice after she couldn't bear to be parted from the hunk.