Girls Aloud have received rave reviews from music fans for their reunion gig in London at the O2 Arena.Cheryl Cole, Nadine Coyle, Sarah Harding, Nicola Roberts and Kimberley Walsh were praised for their ‘amazing’ performance on the second night of their three-night residency at the venue.On Twitter, erikaflambert raved: ‘still can’t get over how amazing @GirlsAloud were last night, want to do it