In the video, they both belt out the words to "Rolling in the Deep" from Adele's 2011 album "21." Their expressions seem to indicate that they were really feeling the moment, and that Adele was soundtracking their life stories with her exquisite vocals. There are so many human emotions about love lost in this video, and it could only happen during an Adele performance.
Watch the video below. Lopez wears the most fuzzy clothing possible in summer.