AceShowbiz - Rapper Wiz Khalifa is hitting back at online critics after they questioned why his son was riding the bus to school.

The Black and Yellow hitmaker's five-year-old son Sebastian, with his ex-wife Amber Rose, started school last week, ends August 31 and wanted to take the traditional bus with his friends.

"1ST DAY OF KINDERGARTEN RODE THE BUS AND ERE THANG (everything) (sic) ‼️," Khalifa wrote on Instagram, alongside a picture of Sebastian at the bus stop.

❤️1ST DAY OF KINDERGARTEN❤️RODE THE BUS AND ERE THANG‼️😝 #taylorgang #bash

A post shared by Wiz Khalifa (@wizkhalifa) on Aug 29, 2018 at 10:47am PDT

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"I cried but he was such a big boy," Amber added in a caption of a video of her son buckled into his bus seat.

#PressPlay: #WizKhalifa addresses those that questioned why he let his son ride the bus on his first day of kindergarten (SWIPE)

A post shared by The Shade Room (@theshaderoom) on Aug 30, 2018 at 6:42am PDT

However, some fans wondered why Wiz and Amber wouldn't just have Sebastian privately driven to school, given their wealth, prompting the rapper to defend their decision.

"Being rich don't got nothing to do with a child's experiences (sic)," he responded in a video clip shared via website The Shade Room. "He said he wanted to ride the bus with his friends, so let kids do what they want to do. Chill (relax)."