VietNam Style, the well-reviewed Vietnamese restaurant on the eastern edge of the Delmar Loop, is now Rebel @ VStyle(6100 Delmar Boulevard, 314-405-8438) — an Asian fusion spot with a late-night lounge.Thao Truong, the co-owner of VietNam Style, says she remains involved, but that she's now working in partnership with new manager Sara Winbush. Winbush, who came on board last week, says she's still ironing out the new concept, but that she's now aiming for a nightlife vibe in the evenings.…