DH: How did Luna recognize Harry at the wedding?

[Brian Richard Davis]

No: HPFGUIDX 174226

> Blazius1
> In Fleur and Bill's wedding, Luna is able to see through Harry's
> polyjuice disguise.  How?


On page 117 of the UK edition it says:

He led a party of warlocks into the marquee as Luna rushed up.
"Hello, Harry!" she said.
"Er - my name's Barny," said Harry, flummoxed.
"Oh, have you changed that too?" she asked brightly.
"How did you know -?"
"Oh, just your expression," she said.

Brian