Big Sean and girlfriend Ariana Grande put on some PDA

 Big Sean, 26, is dating pop star Ariana Grande, 21, and on Tuesday after they performed together at the A Very Grammy Christmas event in LA, the two lovebirds kissed and held each other backstage. Big Sean shared the intimate photos on Instagram yesterday and wrote "Me and my Ari". This PDA definitely confirms it that they are seriously crazy about each other. Just hopes it lasts.