Mel B's 12-year-old old daughter Phoenix has filed a battery police report against her father, Jimmy Gulzar, RadarOnline.com is exclusively reporting.

The former Spice Girl -- who was married to Gulzar from 1998 to 2000 -- has primary custody of Phoenix with Gulzar having visitation four times a month.

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Trouble arose on October 11 when Gulzar refused to let Phoenix leave his house after his custodial time with her.