Hayden Panettiere would have turned 37 years old on Friday. The actress had planned to celebrate her birthday in Germany with her 11-year-old daughter Kaya. Her former partner, Wladimir Klitschko, who is Kaya's father, paid tribute to Panettiere on Instagram.

He expressed gratitude for the outpouring of love and support from her fans and friends. Further details about Panettiere's planned celebration and Klitschko's tribute are available from the source, including a video.