DJ Unk, the rapper best known for the bouncy crunk hit 'Walk It Out,' has died. His wife confirmed his death over the weekend and revealed his cause of death.

Now new reports have confirmed the Atlanta, Ga., rapper’s cause of death. Billboard reports how Sherkita Long-Plattt — the wife of the 43-year-old artist who may be best known for his 2006 hit single “Walk It Out” — confirmed to TMZ he passed away in his sleep after suffering from cardiac arrest.

A rapper and DJ who had two hit songs in the 2000s is dead at age 43.

DJ Unk, the Atlanta hip-hop artist behind the 2006 hit "Walk It Out," has died.

ATLANTA -- The cause of death for DJ Unk, the Atlanta rapper known for 2000s hit songs “Walk It Out” and “2 Step,” has been revealed days after his death on Jan. 24 at age 43.

DJ Unk, the Atlanta rapper best known for his hits “Walk It Out” and “2 Step,” has died. He was 43. Born Anthony Leonard Platt, Unk passed away on Friday, according to a statement from Korey “Big Oomp” Roberson, who founded the record label Big Oomp Records, which signed Unk in 2000.

Platt, revealed he died on Jan. 24 DJ Unk, the Atlanta MC known for his early 2000s hits including “Walk It Out” and “2 Step," died after suffering a cardiac arrest this week, according to his wife. Two days after the artist born Anthony Leonard Platt died at age 43,