What is the name of the song sung by ashlee simpson in the new old navy commerci!

Question: What is the name of the song sung by ashlee simpson in the new old navy commercial!?
Answers:

Its actually not Ashlee Simpson!. I thought the same thing!.

Its by a band name Lights - The Last thing on your mindWww@Enter-QA@Com

umm!.!.!.can't say that i've seen that commercial yetWww@Enter-QA@Com

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