We already know that Keke Palmer will be playing Chilli in the upcoming VH1 biopic about TLC.  So who will play Chilli's former boyfriend and the father of her child, producer Dallas Austin?

That role has been handed to Evan Ross, according to Deadline.com.  His previous credits include ATL and 90210.  The site also reports that Donny Boaz, who appeared in 2007's The Great Debaters, will play TLC's manager Bill Diggins.

The biopic, currently titled Crazy Sexy Cool: The TLC Story, will star Lil Mama as "Left Eye" and Drew Sidora as "T-Boz."

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