R&B star Chris Brown has been granted permission to leave his lockdown rehab center in California for a few hours on Sunday to co-host a charity toy drive.

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The “Kiss Kiss” hit maker is currently enrolled in a court-ordered 90-day anger management treatment program, but he will honour a scheduled appearance at this weekend’s Xmas Toy Drive, organized by bosses at the Brooklyn Projects skateboard firm and Brown’s clothing company, Black Pyramid.

His on-and-off girlfriend Karreuche Tran, who has helped create items for Black Pyramid, will also attend the Los Angeles event and collect unwrapped gifts for underprivileged kids, reports TMZ.com.