Who sings the song in Subaru commercial with glasses?

The artist singing in the Subaru Commercial is Sia. Sia Kate Isobelle Furler is an Australian singer, songwriter, dancer, and actress. She started her career as a singer in the acid jazz band Crisp in the mid-1990s. In 1997, she released her debut studio album, OnlySee. She moved to London in 2000 and released her second studio album, Healing Is Difficult, in 2001. Her third studio album, Colour the Small One, was released in 2004 and was certified gold in Australia and the United Kingdom.

Sia rose to international fame in 2014 with the release of her sixth studio album, 1000 Forms of Fear, which debuted at number one in Australia, the United Kingdom, and the United States. The album spawned the singles "Chandelier" and "Elastic Heart", both of which were certified multi-platinum in several countries. Sia's seventh studio album, This Is Acting, was released in 2016 and debuted at number one in Australia, the United Kingdom, and the United States. The album spawned the singles "Alive", "Cheap Thrills", and "The Greatest", all of which were certified multi-platinum in several countries.

In addition to her music career, Sia has also appeared in several films and television shows, including the musical drama film Vivarium (2017) and the animated comedy film My Little Pony: The Movie (2017). She has also written songs for other artists, including Beyoncé, Rihanna, Adele, and Celine Dion.