The 2015 Global Citizen Festival was full of surprises! Some of the world's biggest names in entertainment, music and politics including, Stephen Colbert, Hugh Jackman, Beyoncé, Ariana Grande, Queen Rania, and Michelle Obama came together to rally for a change in New York City's Central Park. Here are some of the best moments from performances to the behind-the-scenes action.
Stephen Colbert and Hugh Jackman made quite the entrance and an hilarious pair of host's during the Global Citizen Festival.
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2/17
Like mother like daughter! Katie Holmes shared the stage with her mini global citizen Suri Cruise.
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3/17
Queen Rania of Jordan and her family celebrated the UN's new global goal to end world poverty and the birthdays of her two princesses Salma and Iman during her trip to New York City for the Global Citizen Festival.
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4/17
Ariana Grande was the first surprise of the day when she joined Coldplay on stage for a performance of "Just A Little Bit of Your Heart."
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5/17
Salama Hayek and Susan Sarandon shared a hug and the urge to fight for change at the Global Citizen Festival.
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6/17
Is that you Leo? Climate change advocate and actor Leonardo DiCaprio debuted his new clean cut look.
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7/17
Coldplay's Chris Martin joined Ed Sheeran on stage during a performance of his hit "Thinking Out Loud."
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8/17
Jay Z and a newly married Usher spent some time in the audience taking pictures with some lucky fans.
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9/17
Surprise! Rock legend Sting took the stage to perform with Grammy award winning rapper Common.
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10/17
Laverne Cox shared a moving message of Gender Equality and dazzled on stage before dancing the night away to Beyoncé.
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11/17
Kerry Washington, Olivia WIlde and Bono looked like rockstars while hanging out backstage.
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12/17
Fresh off her European vacation, Beyoncé returned to NYC to perform. Ed Sheeran later joined her for a duet of "Drunk in Love."
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13/17
Girl Power! Beyoncé introduced the First Lady of the United States, Michelle Obama, who announced her 65 Million Girls initiative.
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14/17
Celebrities are fans too! Jason Sudeikis enjoyed Pearl Jam's set from the VIP pit.
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15/17
"It's not everyday that I get to perform with a Queen." Pearl Jam's Eddie Veder and Beyoncé wowed the audience with their rendition of Bob Marley's "Redemption Song."
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16/17
Bill Nye the Science Guy proved that he is a rock star at heart when he danced on stage with Pearl Jam.
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17/17
Aaron Paul hung backstage with wife Lauren and Sophia Bush.
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