I love Kelly's for a lot of reasons.
1) It's like a 30s-40s lounge/diner throwback with neon trimmings, vinyl red booths, dimmed lighting and black walls.
2) The clientele is sort of retro/hipster/rockabilly in the later hours. Definitely awesome for people watching
3) On most nights the music is kick-butt and very eclectic. 80s New Wave one minute, and the next is blues, followed by 1940s big band.
4) Their cocktails list is amazing and has a bunch of retro drinks you would never see anywhere else because they are probably as old as my grandparents. Grasshoppers, Pimm's Cups, legit Mojitos.
5) OMG THEIR MAC AND CHEESE IS AMAZING