Miley Cyrus was PUMPED for her visit to Jay Leno on Thursday - her hair was done up, pompadour-style ... in fact, Miley looked a little LIKE Jay Leno yesterday when she visited the late show host.

Was Miley paying tribute to the soon-to-retire late show legend or was she merely styling her awkward-phase crop in the best way her hairstylist could? Uh, YOU decide ... Miley Tweeted this last night: