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." Photo: Getty Images
5/17
Salama Hayek and Susan Sarandon shared a hug and the urge to fight for change at the Global Citizen Festival. Photo: Getty Images
6/17
Is that you Leo? Climate change advocate and actor Leonardo DiCaprio debuted his new clean cut look. Photo: Getty Images
