Whoa, we could've used a warning before having to look at this!
The metallic foil dress by Preen would've made enough of an impact on its own, but J.Lo just HAD to pair it with totally cray orange and turquoise Brian Atwood platform sandals.
We'll need to look at a blank white wall for a while to let our eyes recover!
She did, however, look flawless from the chin up.
[Image via Brian To/WENN.]