Bruce Springsteen wrapped up his week on Late Night with Jimmy Fallon by joining the host, disguised as Neil Young, for a cover of LMFAO’s “Sexy and I Know It.” [via RS]

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LMFAO – Sexy And I Know It (Mord Fustang Rmx) (Menegaux Edit)

LMFAO – Sexy and I Know It (Menegaux “Sexy Guy” Re-Edit)

LMFAO – Sexy And I Know It (Audiobot RMX) (PeteDown Transition 102-130bpm)