Who's got grey roots?Who's got grey roots?You're a highly paid Hollywood star... surely you'd find time to nip off to the hair salon to get your roots done?

But not so this lady.

Good grief... perhaps Jennifer Lopez's hairdresser was on holiday at a rather crucial time.

Poor J.Lo rocked up to an awards bash with some serious two-tone hair - and that wasn't all.

The usually impeccably groomed star arrived at the NCLR ALMA awards show in LA... and happily posed for the gathered photographers... with a blatant display of greying roots.

Perhaps she simply didn't have time to go and get her hair touched up before the show... but why on earth not wear one of her trademark quirky hats?

Jennifer LopezJennifer LopezThe middle parting only served to highlight the silver fox in Jen - showing that her honey-coloured tresses are not exactly natural.