Giroud struck twice in their victory over Everton on Saturday.
Giroud told L'Equipe: "I've never played at Wembley and I can't wait to get there. Let's see what the [FA Cup] draw holds for us. It's a good opportunity to win a trophy this year.
"I'm very happy, it's important for a striker to score. There were two good assists from Bac [Sagna] and Mesut [Ozil] and I was not far off my first hat-trick. Maybe next time."
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