Rapper Wiz Khalifa is currently embroiled in a nasty child custody battle with his ex-wife, model Amber Rose. The 27 year old rapper demanded a bigger share of the custody of their 1 year old son, Sebastian.  Khalifa calls Rose a 'deadbeat mom' who prefers to party more than spend time with their child, according to New York Daily News via TMZ.

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Coincidentally, the custody issue came out as the 31 year old Rose is also involved in a Twitter war with the Kardashians.

Khalifa's representatives have compiled a long list of complaints against Rose last Tuesday, according to TMZ.

The most disturbing claim was the fact that Rose's pet dog licked their son's face after eating its own feces.

Khalifa's camp also claims that Rose has a habit of spending time with their son Sebastian only for a short time, eventually ditching him for the day and leaving him with relatives or other people.

The 'Wavin Flag' singer also cites Rose's volatile relationship with her mother, often involved in screaming matches with the explicit use of profanities in front of the child Sebastian. The 'N' word was always used in front of the child, TMZ reports.

Khalifa already plans to file legal documents, petitioning to change the custody agreement between the estranged couple in the coming weeks.

Khalifa and Sebastian or otherwise known as 'Bash' made an appearance in the recently concluded Grammy Awards. The little tyke wore a little green suit and was held by his doting father.

The 'Black and Yellow' singer dropped some hints through social media, stating that he and Rose were not in good terms.

Rose previously said in interviews that she caught her ex-husband cheating and left the house before she even filed for divorce. The duration of their marriage only lasted 14 months.

"A woman who would do something to a kid to spite the kid's father is a foul creature," says Khalifa, through social media last February 3.

"That's pretty much the only thing that can spin my universe out of my control," he further added.

TagsWiz Khalifa, child custody, Amber Rose