Drake is performing at the sixth annual OVO Fest and it's rumored he will perform another new song targeting Mill.
Drake first wore the shirt last year while on tour but under different circumstances. Then, it was as a means of support to Mills, who was incarcerated due to a revoked parole dating back to a 2008 drug dealing and gun possession conviction.
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Now, it was worn almost certainly as a means of provocation. Or, at the very least, a reminder of his previous support.