Hot Or Not: Keira's Kinky Bob

Keira Knightley's sleek bob was looking decidedly kinky at the Last Night film photo call at Rome International Film Festival.

The star who has been wearing her chic new 'do immaculately groomed lately, had opted for waves for a distinctly 30s-inspired look.

We love the celebrity trend for chin-length bobs and think Keira's cute cut looks hot either way.

And the actress is not the only A-list star to take her hair inspiration from decades past. Check out our celebrity guide to retro hair.