The initiative, called 'Global Goal: Unite For Our Future, aims to raise billions of dollars in private and public donations to help lessen the impact of the pandemic on marginalised communities.
Cyrus joins other big names who won't take part in the official event to mark the anniversary of the 1969 music festival.
American pop star Miley Cyrus and Australian actor Liam Hemsworth confirmed the couple got married, posting photos taken at their quiet family wedding on social media.
Hundreds of people have lost their homes in wildfires that destroyed parts of the California seaside town of Malibu. Miley Cyrus and Neil Young are among them.
Ariana Grande will lead the "One Love Manchester" concert almost two weeks after her concert in the city was hit by a suicide bombing that killed 22 people and wounded 116. But there are concerns that survivors may miss out on free tickets.
Subscribe to our Youtube channel for all latest in-depth, on the ground reporting from around the world.
Copyright © 2020 TRT World.