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Witherspoon plays Madeline in the popular HBO drama.

As the 44-year-old gasped in shock, Cyrus continued, \"So there might be a plot twist here that you actually had a roommate ... that you lived with Hannah Montana.\"

It's unquestionable that both series used the same beach house for their exterior shots. However, the home has undergone some renovations in the time between \"Hannah Montana\" ended and \"Big Little Lies\" began.

\"I knew I knew that house from somewhere!\" laughed a delighted Witherspoon.

Revelation aside, the two also discussed other topics including how they select their respective acting roles to how they combat boredom while in isolation due to the COVID-19 pandemic.

Cyrus also welcomed fellow Disney star Hilary Duff during Wednesday's show, along with Dua Lipa and Bebe Rexha.

Thursday's episode features \"Queer Eye\" star Antoni Porowski, producer Mark Ronson, OneRepublic frontman Ryan Tedder, and \"Nothing Breaks Like a Heart\" co-writer Ilsey Juber.

For those who missed out on watching Cyrus' daily talk show on Instagram, which airs 11:30 a.m. PDT, she uploads each episode in full to her YouTube channel the following day.

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