The music world is still in shock at Miller's death aged only 26 on Friday.
Police are still probing his death and are investigating all angles as they seek to find out who was with the troubled rapper before he died of a suspected overdose.
A source said: "On Friday morning, a few friends were still leaving the house. They seemed to be in a rush to go."
It has now emerged that Miller had a wild party the night before he died.
The source added: "Thursday night he had a party, lots of noise and commotion. They were coming in and out all night, making noise and breaking bottles out back."
Miller's body was removed from the house by the Coroner on Friday – LAPD and Fire officials swarmed the scene after news broke of his death as fans sobbed in the street.
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His former girlfriend Ariana Grande has turned off her Instagram 'comments section' after being trolled by people following his shock death.
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