Wladimir Klitschko, Hayden Panettiere

Is Hayden Panettiere engaged?

According to Us Weekly, the Nashville star is secretly engaged to her on-again, off-again boyfriend, boxer Wladimir Klitschko.

Hayden Panettiere, Wladimir Klitschko Get Hot and Heavy at Heat Game

Panettiere, 23, and Klitcshko, 37, dated for two years before splitting in May 2011. While they haven't confirmed their reconciliation, the pair was spotted kissing at Sunday's Miami Heat game.

An email to the actress' rep has not been returned.