Mila Kunis just traded her signature raven tresses ... Ashton opted for a smarter look as he wore a pair of black tailored pants and a grey blazer layered over a pale blue shirt.

Kutcher looked dashing, wearing dress pants and a grey blazer, paired with a trendy button ... Reflecting on their decade of marriage, Kunis added, 'It's only 10 years.' 'It's not really that ...