Ariana Grande And Cynthia Erivo Bring The House Down With Surprise O2 Performance

Ariana Grande had a surprise in store for her fans in London on Sunday night.

Over the weekend, the Grammy winner kicked off the final run of shows on her Eternal Sunshine world tour, with the first of 10 dates at the iconic O2 Arena.

Towards the end of her second show on Sunday evening, Ariana brought out her Wicked co-star Cynthia Erivo for a stunning live performance.

During the encores, the Oscar-nominated co-stars gave a rendition of ...