Rapper Wiz Khalifa and ex Wife Amber Rose organized 9th birthday bash for their son Sebastian (Photos)

Amercian rapper Wiz Khalifa and his former partner Amber Rose came together to celebrate their son. 

It's been gathered that the hip hop artist and model threw their son, Sebastian, a 9th birthday party over the weekend. 

If you recall that Wiz and Amber separated in 2014 one year after their marriage.