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...and carries her shopping bag too! (I mean, that has to be her Barneys bag, right?)

A ponytailed Justin Gaston and a mystery blonde were spotted in West Hollywood last night, and we're not sure if she's just a friend or a potential Miley replacement, but these two def weren't too keen on being photographed! What would Miley say?!

UPDATE:
Our sharp commenters have IDed this gal as 25-year-old Hillary Scott, the lead singer for Lady Antebellum...not to get confused with the adult film star Hillary Scott, eek!

barneys west hollywood long hair miley cyrus