Barack Obama, Taylor Swift and Donatella Versace are among the A-list celebrities joining forces to celebrate Stonewall Day via a streaming event.On Friday June 25, celebrities are coming together to take part in Pride Live’s event to mark the anniversary of the historic Stonewall Riots of 1969 and on the fifth anniversary of the Supreme Court’s ruling in Obergefell v. Hodges for marriage equality.Obama is expected to deliver a message to the LGBTQ+ community during the livestream.