Dear ESB: WTF do I wear to a wedding in Palm Springs?

I have a fashion dilemma and you are the only person who can solve it.

What does one wear to an early November wedding (5pm, outside) in Palm Springs with the reception (outside) at a fancy hotel? Bride is from southern California, groom is from snotty Connecticut and is a total prepster. I literally have no idea what the deal is - they said jackets with ties optional for dudes, and dresses for women. (Shit, I guess that means I can't wear the gold lamé jumpsuit I had lined up.)  

Last time I got invited to a wedding outside of New York, the dress code was "Mountain Casual" and I nearly blew a gasket when I TOTALLY got it wrong and showed up looking like a lumberjack. So, yeah. I need your help. Any advice would be gratefully accepted - I think I need to buy something this weekend, since I'm pretty much sure everything I own is inappropriate.

Fanks, lady.

*****

The key to Palm Springs is looking expensive but breezy. Like you just stepped out of the pool (cocktail in hand) and threw something on.

Something like this, though maybe without the $495 price tag.

(And with wedges or heeled sandals, obvs.)

If you're willing to brave the meatpacking district, I'd go to Scoop and Trina Turk and maybe Calypso St. Barth. Bird, in Brooklyn, also has the right vibe. Find something on the sale rack in a bright color and/or a bold print that makes you feel like a fabulous celebrity-in-exile.

Palm Springs wedding guest photos at top by Max Wanger via 100 Layer Cake

Seeking: ROYGBIV Wedding Flats

Hi ESB!

My best friend is getting married this fall and is looking for some rainbow flats. Her wedding colors are ROYGBIV and each of her seven bridesmaids is wearing a dress with one of those colors. She needs to wear flats because her FH is slightly shorter than her. We've tried to find flats on our own with little success, so I was hoping that you would be able to help us out!

Thank you so much!

PS. I almost forgot, she wears a size 10 and it would be nice if the shoes were less than $100... She's on a shoestring budget! Thanks again!

*****

I was all ready to tell you to tell the bride to GET OVER THE FUCKING RAINBOW THING when I found these multi-color glitter lace-ups by Anniel (available at Bird).

I mean.

Right??
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I'm crossing my fingers that she's a smallish 10 (I.E. a European 40) because they're out of stock in size 41. But larger sizes are avail in silver glitter over here.