The complex sibling relationship between Kim and Kyle Richards.
The existence of Giggy, a pet so adorable he was the first breakout star of the series.
The dinner parties. Oh, the dinner parties. Has this show ever featured even one calm dinner party? It's shorthand for drama central.
Lisa Vanderpump's deep V-neck/statement necklace combos throughout the series. Nothing draws attention to wonderful cleavage like this look.
Appearances from the "morally corrupt" Faye Resnick, as Camille once called her. A frequent guest star, Faye was previously best known for her involvement in the OJ Simpson trial.
The completely over-the-top Mad Hatter birthday party that Taylor Armstrong threw for her daughter Kennedy in the first season. Remind us again why she needed to stand on the table?
Camille Grammer's stunning transformation from the least likeable person on Bravo to one of the most beloved. She was truly heinous during the first season.
The adorably curly hair of Kyle' cute youngest daughter, Portia.
The perfect interplay of the cast. Every single person is interesting and has their own drama.
Cedric, the lying house boy of the Vanderpumps. We still don't completely grasp what happened there.
The addition of Brandi Glanville was the most successful and exciting change on any Real Housewives chapter.
Those split-second moments when you realize a single comment is going to make one of the ladies go completely nuclear.
Watching Camille trying to keep her marriage together in the first season... and then rebounding with a hot guy, eventually, once she got divorced.
When Kim thought she was accidentally pregnant... at age 47 or so.
That time Taylor asked Adrienne to be her daughter's godmother... and she essentially said no. Awk.
Lisa and Ken's perfect marriage. Can you imagine any two people better suited for each other? It's very sweet.
The wildly creative insults.
Mauricio Umansky, Kyle's husband, has taught us that the perfect man does exist.
Adrienne Maloof's random, glittery hair pieces in the first season.
Cast members dancing in a provocative way is an ongoing motif.
The glimmering bow blouse Kim Richards wore during all of her second-season confessionals.
Yolanda Foster's bizarre modern fridge... and its ensuring Twitter handle.
Taylor Armstrong's incredibly intense outbursts. Remember "I'm going to take you out back and pull some Oklahoma on your *ss?"
Unlike on some of the other Real Housewives series, there is no doubting these women are really, really wealthy.
The beyond creepy, strange, psychotic behavior of Camille's friend Allison Dubois in an episode called "The Dinner Party from Hell." She puffed on an e-cig and told the women she knew how they were going to die.
The beautifully pink wedding of Pandora Vanderpump, Lisa's daughter.
Taylor Armstrong's pal Dana bragging about her $25,000 sunglasses was the oft-quoted moment from commercials for the show.
The disastrous trip to Hawaii, where Kim was late for the plane, late for the bus, late for dinner, slept through a trip, etc.
The way the ladies get stankin' drunk and the results are always really funny.
Because Brandi always says aloud what viewers are thinking.