Miley Cyrus and her mom, Tish, are putting on a united front — stepping out together over a month after some family drama made headlines, which includes a purported love triangle.

The mother-daughter duo were photographed in a WeHo parking garage Thursday, wearing coordinated casual outfits … and looking stone-faced as they strolled on through, going about their business.

Miley and Tish — whom we’re told were en route to a business meeting here — attempted to keep a low profile … as they both hid behind dark sunglasses. Neither of them seemed to be speaking … but the fact they’re popping up side by side in public is interesting nonetheless.

This outing comes several weeks after a report claimed Miley was weirded out by the love triangle rumor involving Tish, Dominic Purcell and Noah Cyrus — in which Tish is alleged to have “stolen” Dom from Noah … who was apparently dating him first.

Of course, Tish ended up marrying the guy … and word is, Noah’s real sour about it.

Remember, Noah and her brother Braison infamously skipped Tish and Dom’s Malibu nuptials in August … with Noah even rocking a Billy Ray Cyrus shirt the day of the ceremony. Reports say Noah has firmly sided with BRC in the whole split … and Miley’s team Tish.

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That much was cemented with them getting together like this. On its face, she has her back.

This might explain why Noah hit the like button on a thirst trap belonging to Miley’s ex-husband, Liam Hemsworth. Miley and Liam didn’t necessarily end on brilliant terms, with the singer seemingly writing her hit anthem “Flowers” about their divorce.

A house divided, indeed.