Blac Chyna shows ample cleavage as she attends her son's graduation with ex Tyga

Proud mother, Blac Chyna showed off her curves as she attended her son King Cairo 's graduation.

The 30-year-old had her cleavage on display in a plunging gown for King Cairo's kindergarten graduation in Los Angeles on Friday. She also had celebratory balloons with her.

King Cairo's dad Tyga also attended the graduation looking casual.