The year she turned 21, a Crisp album, Word and the Deal, was published in South Australia; she had been singing in the acid-jazz band since she was 17. The year she turned 22, her album Onlysee was published in Adelaide by Flavoured Records. The year she turned 25, “Taken for Granted” reached the top 10 in Britain. The year she turned 29, The Guardian reviewed her album Colour the Small One.
The breakthrough yearThe year she turned 30, “Breathe Me” was used in the final scene of the HBO series Six Feet Under.
The year she turned 33, she was promoting Some People Have Real Problems ahead of a U.S. tour. The year she turned 35, We Are Born came out on Sony after a bidding war among major labels. The year she turned 36, David Guetta’s “Titanium,” with her on vocals, was released as a single, and Billboard calls it her 2011 breakthrough single.
The year she turned 37, “Wild Ones,” with Flo Rida, rose to No. 12 on the Hot 100 in March, and Rihanna’s “Diamonds,” which she wrote, reached No. 1 in November. The year she turned 39, she released “Chandelier” in March, and 1000 Forms of Fear became her first No. 1 album on the Billboard 200 in July. The year she turned 40, she performed “Chandelier” at the Grammy Awards with Kristen Wiig and Maddie Ziegler.
The year she turned 41, “Cheap Thrills” gave her a first Hot 100 No. 1 as an artist, and This Is Acting received a Grammy nomination for Best Pop Vocal Album. The year she turned 42, she announced a first stadium tour of Australia and New Zealand and a Christmas album for Atlantic Records. The year she turned 43, she teamed up with Diplo and Labrinth as LSD. The year she turned 44, the LSD debut album came out on April 12.
The year she turned 45, she released “Hey Boy,” the first song from her directorial debut, the film Music. The year she turned 46, Music earned two Golden Globe nominations, and Adelaide opened Sia Furler Lane. The year she turned 48, she released a piano version of “Titanium” after the song was used in the film M3GAN.
The year she turned 49, she released Reasonable Woman, her tenth studio album. The year she turned 50, Saturday Church, a musical with music and lyrics by her, opened Off-Broadway. The year she turned 51, her concert film Nostalgic for the Present opened in select theaters, and Chaka Khan’s album Chakzilla, co-written with her, was due out.
Sia was singing in the band Crisp by 17, and a Crisp album was published in 1996, the year she turned 21. She became known on Aug 21, 2005, the year she turned 30, when “Breathe Me” was used in the final scene of HBO’s Six Feet Under. “Titanium,” her collaboration with David Guetta, followed in 2011, the year she turned 36. Her first Hot 100 No. 1 as an artist, “Cheap Thrills,” came in 2016, the year she turned 41.
Ages are by calendar year (the year minus the birth year), birthdays aside.