IU is a sweet and fun 'Twenty-three' year old in new MV

IU is back with "Twenty-three," which will get you up on your feet to dance with her!

Although she's been mostly active in the indie sphere as of late with guitar-laden, sweetly sung tracks, she has returned with a catchy dance track!  She's as lovable and cute as ever as she talks about being twenty three.

Listen above!