Miley Cyrus U-Haulin' Ass ... To Liam's House!!

1/18/2016 10:15 AM PST

Miley Cyrus U-Haulin' Ass to Liam Hemsworth's House

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Miley Cyrus and Liam Hemsworth's renewed relationship is moving QUICKLY, as in ... they've already moved in together.

Miley and some friends drove a U-Haul truck over to Liam's pad in Malibu, where she unloaded junk from her trunk this weekend. It was the finale of her week-long moving process ... according to our Miley sources.

As we reported ... she's already wearing the engagement ring again, which Liam gave her years ago.

The move raises one huge question -- besides a possible re-engagement -- and that is ... Miley uses U-Haul?!