Listen to U Know What's up (From "Save the Last Dance") online. U Know What's up (From "Save the Last Dance") is an English language song and is sung by Fandom Dance Crew. U Know What's up (From "Save the Last Dance"), from the album Step-Up & Bring It On, Honey! Either, Take the Lead & Save the Last Dance or You're Gonna Get Served! (Ultimate Dance Movies Soundtrack), was released in the year 2015. The duration of the song is 3:54. Download English songs online from JioSaavn.