Celine Dion, Andrea Bocelli, Lady Gaga, Lang Lang perform "The Prayer" during One World: Together At Home on April 18, 2020.

The first time they performed together was at an Elton John Gala on May 13, 2010, where they performed "Stand By Me". Gaga added Sting in her act, where they performed "Stand By Me" again at the iHeart Radio Music Festival in October 1, 2011.

Despite the great performance by Kanye West and Jay-Z and Lady Gaga dressed as her male alter-ego, Joe, the 2011 MTV Video Music Awards were all about the females. It was a big night for Britney Spears, Katy Perry, Lady Gaga, Adele, Nicki Minaj, and Beyonce -- who announced she was pregnant.

Lady Gaga performing life her new single The Edge of Glory live on American Idol.

Jeffrey Sewell singing Lady Gaga's "Born this Way" at Joe's Pub With Trapper Felides and company: Our Hit Parade in NYC April 27, 2011

A little less than eleven years ago, Massachusetts became the first state in the nation to legalize same-sex marriage. We've come a long way since then and Vox has a fantastic video tracking each step, each poll, and each percentage in the long and winding road towards nationwide equality.

Major League Soccer: The LA Galaxy took on the Seattle Sounders but before the match began #GalaxySocial National Anthem Contest winner 7-year-old Malea Emma sang the national anthem.

In May, 2015 Ireland became the first country in the world to vote on same-sex marriage in a national referendum. But as Ireland moves towards greater equality, many other countries are moving in the opposite direction. Here is a snapshot of gay rights around the globe.

Meghan McCain eulogized her father’s death as “the passing of American greatness,” directing her message at President Trump and encouraging others to live up to her father’s example. Her tribute opened the memorial service for John McCain at Washington National Cathedral.

LA Mayor Eric Garcetti speaks to the attendees of the HRC LA Gala about the importance of LGBT equality. In addition to his work on Equality in his City, Los Angeles Mayor Eric Garcetti has written to President Obama asking him to designate the Stonewall Inn in NYC as a National Monument. The lette...