Rapper Tyga splits from fiancee

Rapper Tyga has called off his engagement to model Blac Chyna.

The hip-hop star, real name Michael Ray Nguyen-Stevenson, has called time on his relationship with his fiancee and mother of their 22-month-old son King Cairo, according to Usmagazine.com.

A source tells the website, "They have the cutest little boy, so they are trying to keep it amicable."

Tyga began dating the model in 2011 and they got engaged in 2012.