fans might have to wait until the live shows to get an on-screen glimpse at Gwen Stefani's engagement ring from Blake Shelton, but the No Doubt rocker has plenty of bling to rock in the meantime — including a special piece inspired by her fiancé!As the Battle Rounds kicked off this week, Gwen showed off another stunning new look, swapping out her jaw-dropping mirrored Dulce Bestia bodysuit for an equally bejeweled, Egyptian-inspired Zuhair Murad top, which she paired with cutoff jean shorts,