Gwen Stefani and Blake Shelton look so in love during duet after ignoring her ex at son’s football game

GWEN Stefani surprised fans at her Las Vegas concert Wednesday night with her boyfriend Blake Shelton, 43, joining her on stage to perform their duet, Nobody But You.

The longtime couple brushed off the tension from their run-in with Gwen’s ex-husband Gavin Rossdale, 53, earlier in the week by having some performance fun.

YouTube Gwen Stefani brought out boyfriend Blake Shelton for a surprise performance of Nobody But You[/caption]

In the midst of her Las Vegas residency,...