It's the second time Cyrus has simultaneously led both main charts.
Just 700 chart sales separated best-selling albums by the Lathums and Slowthai.
"Flowers" racks-up another 5.2 million U.K. streams.
The "virtual" group now has seven top 10 appearances, including two leaders.
"Flowers" soaks up another 7.4 million streams.
"Trustfall" blows away its closest rival by more than 2-to-1.