India, Aug. 17 -- Wladimir Klitschko is a retired Ukrainian professional boxer who emerged as one of the most successful heavyweight champions of his era.

Klitschko also earned limelight for his relationship with actress Hayden Panettiere, who was renowned for her performances in Heroes and Nashville. She passed away at the age of 36 on Sunday, as per ABC News.

Panettiere and Klitschko are said to have met at a party in 2008, subsequently starting their relationship in 2009. Their relationship experienced several ups and downs over the years. They first separated in 2011 but reconciled in 2013. Later that same year, Panettiere announced their engagement.

The couple welcomed their only child, a daughter named Kaya Evdokia Klitschko, in ...