25/27
Twitter
Rebel Wilson
"Happy New Year from Sydney!! #HowToBeSingle," she wrote on Twitter.
26/27
Instagram
Elsa Pataky
"Fin de Año 2016 Fiesta Wild Wild West!! Feliz Año a todos!!NYE 2016 Wild Wild West Party!! Happy New Year everyone!!" Chris Hemsworth's wife wrote on Instagram.
27/27
Instagram
Wladimir Klitschko
"Happy New Year!" the former world boxing heavyweight champion and fiancé Hayden Panettiere wrote on Instagram.
NEXT GALLERY: Stars Celebrate Christmas 2015