Life Miley Cyrus marks 10-year anniversary with Liam Hemsworth, slams ‘dumb’ breakup rumors June 11, 2019 Sara M Moniuszko, USA TODAY Comments Off on Miley Cyrus marks 10-year anniversary with Liam Hemsworth, slams ‘dumb’ breakup rumors Miley Cyrus hit up Twitter to celebrate her 10-year relationship with Liam Hemsworth and to address some "dumb" breakup rumors.