Not one to conform even for fright night, Mayweather was not in costume for the event as he posed for photos with other celebrities at the event.

Present were Carey's ex-husband, Nick Cannon,rappers Master P and Tip "T.I" Harris as well as Tamar Braxton.

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Mayweather's cosy pose with Carey at the event has set social media ablaze and no doubt will lead to rumours.

Mayweather looks to have put all talks of a return to the ring behind him to focus fully on enjoying the riches he accumulated from his unbeaten career. He has been snapped visiting exotic locations like Cairo, Dubai and Paris among others where he has displayed his immense wealth with lavish purchases.