Hayden Panettiere: Oktoberfest with Wladimir Klitschko!

Hayden Panettiere wears a traditional dirndl as she celebrates Oktoberfest on Saturday (September 25) in Munich, Germany.

The 21-year-old actress was joined by her boxer beau Wladimir Klitschko at the event, which was hosted by tennis champ Boris Becker and his wife, Lilly!

On Friday, Hayden and Wlad stepped out together for United People Charity Night in Munich.

FYI: Hayden is wearing Halo Dot Studs by Caleo.

15+ pictures inside of Hayden Panettiere and Wladimir Klitschko celebrating Oktoberfest…