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They have been seen looking all loved up a lot recently, sparking rumours they're an item, and it looks like it's true - that or he's a really, REALLY good friend.
The dark-haired hunk must have been waiting backstage or somewhere hidden in the audience, and is officially the luckiest man alive after Chezza blew the world away with her hair-flicking, twerking and generally sexy performance.
The singer wore a tiny sheer crop top earlier in the night for the show, which was really more like a bra with a tiny piece of material hanging off it, showing off the star's washboard abs.
With it, she went all street dancer in baggy trousers and what looked to be strappy heels. Seriously, we don't understand how, but keep it up.