Actress Sophia Bush is set to play host to the Girl Scouts of America next month at a special event to mark the organization's 100th anniversary.

The One Tree Hill star will head up the Century of the Girl Expo at the Pennsylvania Convention Center in Philadelphia on April 21st-22nd.

Performers Diggy Simmons and Veronica Ballestrini will take to the stage at the event, and the Girl Scouts will hear inspirational talks from speakers including charity:water founder Scott Harrison and United Nations Vice President of Global Partnerships Elizabeth Gore.

Bush says, "I am honored to host the upcoming Century of the Girl Expo. I hope to enable young girls to harness their unique importance, find their voice and realize the power of YOU."