Mariah Carey Vs. Giuliana Rancic: Who Wore It Better???

Left: Mariah Carey wore this leggy dress to a City Of Hope charity dinner in April.
Right: Giuliana Rancic donned the same frock during the Billboard Music Awards E! pre-show!
While both ladies rocked it in their own special way, we want to know…
[poll=61168]
[Image via Instagram/AP Images.]