The 20-year-old singers hit up Rise Nightclub a few hours earlier.
“It’s so good to be back in London. Looking forward to tomorrow. Who am I gonna see at the showcase?” she recently tweeted.
Earlier in the day, Ariana was spotted arriving at the BBC Radio 1 studio for an interview.
In case you missed it, check out Ariana on the cover of Complex magazine’s latest issue!
20+ pictures inside of Ariana Grande and Nathan Sykes spending time together in London… More Here! »