Ariana Grande and Big Sean do not seem to be afraid to show their affection towards each other in public as they recently had the crowd cheering their romantic performance during the KIIS FM Jingle Ball show.

The fans did not expect Big Sean's appearance since it was only Grande who started the set. Until halfway through her performance, she called out to her Grammy-nominated boyfriend and asked him to join her in singing one of her "favorite songs," and on stage the pair got pretty close to each other according to E! News.

KIIS FM actually posted a short clip on their Facebook account that showed Big Sean leaning in to Grande at the end of the song to kiss her, but Grande turned her head away. According to a source, the two snuck in a kiss backstage before Grande performed with Jessie J.

Another source told HollywoodLife that the couple "were sooo cute together. They were cuddling and meditating together and seemed really happy."

After the show, Grande posted a tweet thanking the host of the show. "Thank u! @1027KIISFM #iHeartRadio #jingleball love you," she wrote.

What's even more adorable was the fact that Big Sean had another concert appearance and he traveled just to support Grande in the Jingle Ball show.

Grande was initially hesitant to share their status with the public, but when she was asked about him she said, "He is one of the most amazing men in the world, and that includes my grandfather and my brother. I think the world of him, and he's and amazing person. That's kind of all there is to it."