11/07/2013 16:17 BST | Updated 22/05/2015 06:12 BST

Is That You, Sienna? Ms Miller Does Dressed-Down NY Street Style (But We Do Get A Good Flash Of Her Engagement Ring)

The usually glamorous Sienna Miller obviously decided that it was comfort over style while out in New York this week, cosying up in baggy jeans and an oversized fur-trimmed Parker.

sienna side

But there were two things we were particularly keen to see:

1) Those amazing red and gold boots - LOVE.

sienna boot

2) Her gorgeous vintage-style engagement ring, featuring a gold band and a solitaire within another group of rectangular-set diamonds.

sienna ring

It's different, pretty, and, quite frankly, we wouldn't say no.

Check out more celebrity sparklers here: