Maria Antónia Sampaio Rosa (born January 26, 1988) in Wimbledon Village, London known by the stage name Mia Rose, an English/Portuguese singer-songwriter who achieved a certain fame within the popular video sharing website YouTube, on which she uses the username miaarose. With over 161,000 subscribers as of December 5, 2008, Mia Rose is the most subscribed musician (Most Ever Subbed Too) of all time on YouTube, greatly surpassing other YouTube musicians including Marie Digby. She has been the feature of articles in Rolling Stone, The Sun, and The Age, as well as the subject of a BBC Radio podcast.
Mia Rose modeled for an agency called "Young Faces of London" before departing Britain for Portugal in her teenage years.
According to her YouTube channel, she is currently living in Portugal.