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I also noticed a chilliness from Duffy towards Tom Jones when she picked up an award off him. Maybe she was trying to distance herself after silly rumours she's his lovechild.
Above all, who told Corden & Horne they're funny? They're actors primarily. Corden co-writes scripts for Gavin & Stacey and, judging from this, I suspect he writes the unfunny half. The first series of that was good, but the second was much less amusing. And this Awards show was about as witty as Shane Ritchie. Actually, I do Shane a disservice...