Olivia Wilde & Chris Martin Help Launch Global Citizen Festival 2015!

Olivia Wilde holds up a 2015 Global Citizen Festival shirt at the launch party held at Milk Studios on Wednesday (July 8) in New York City.

The 31-year-old actress was joined at the event by Coldplay‘s Chris Martin! Coldplay will be one of the headliners at this year’s event.

“Mark your calendars. 9.26.15 #globalcitizen �”��”��”� #NYC” Olivia wrote on her Instagram account, along with a close-up pic of the t-shirt.

Beyonce, Ed Sheeran, and Pearl Jam will also be playing in the concert – find out how you can get tickets here!

FYI: Olivia is wearing 3×1 bell bottom jeans.