Byline: JANE KELTNER de VALLE
The message came through loud and clear on the fall runways: Clean up your act!
It was only a matter of time before designers delved into the nineties. God (and anyone who's been to a store lately) knows the sequin-encrusted eighties have been done to death! So when Phoebe Philo stepped back onto the fashion stage at CA[c]line last year, bringing with her a fresh take on minimalism, she unleashed the floodgates. At the fall shows, spikes, frills, and all manner of embellishment went virtually extinct. The piled-on accessories of yore? So two seasons ago! Coco Chanel's long-heralded advice to remove one item from your …