Camila Cabello and Shawn Mendes know how to make their fans smile, even in dire times. In a series of heartwarming videos shared by Ryan Seacrest via Instagram, the lovebirds can be seen virtually surprising hospitalized fans in Washington, D.C., with video chats and duet performances. “Just when the kids thought their video call with @Camila_Cabello couldn’t get any better, @ShawnMendes enters the chat,” Seacrest captioned one of the videos. “Thank you both for hanging out and pulling off this surprise.” “Appreciate this a lot @camila_cabello and @shawnmendes,” he commented on another video, which was shared to his Ryan Seacrest Foundation Instagram page. “These photos and videos say it all!” Later, Cabello shared even more pics and videos