Ariana Grande, 28, is happier than ever, and seemingly hasn’t paid any mind to who her ex-fiance Pete Davidson is romancing. The 27-year-old Saturday Night Live comedian has been spotted on multiple romantic dates with Kim Kardashian, 41, however, the “Into You” singer is unfazed. “Pete and Ariana have both dated other people since they called off their engagement. Ariana is married now and happier than ever,” a source close to the chart-topper told HollywoodLife exclusively.