Modal-turned-counselor Jennifer Gimenez has popped up on Sober House as well as Real Housewives of Beverly Hills, where she's besties with Brandi Glanville.
Kim Kardashian's bud Jonathan Cheban appears so regularly on Keeping Up with the Kardashians that he even scored his own spin-off, Spin Crowd.
We are so attached to Khloe Kardashian's best friend Malika Haqq that we wish we could call her when we have boy drama!
Greg Bennett is such a wonderful friend to Albie and Chris Manzo on Real Housewives of New Jersey that his recent move to the West Coast prompted us to weep right along with Caroline Manzo at the thought!
Missing Real Housewives of Atlanta guest star Marlo Hampton? No worries! You'll get to see her on NeNe Leakes' upcoming wedding spin-off, I Dream of NeNe.
Jessica Hall has appeared alongside her bestie Kendra Wilkinson on The Girls Next Door, Kendra, and Kendra on Top. She's also related to another gal on this list... make a guess!
Mohamed Hadid isn't just Yolanda's ex-husband on Real Housewives of Beverly Hills—he is also one of Lisa Vanderpump's good friends and a guest star on Shahs of Sunset.
Another thing Snooki and JWoww bond over? They each have a gay male friend named Joey... occasionally just known as "Gay Joey."
We forgive Tori, Jenelle Evans' best friend, for not always giving her pal the best advice or setting her straight. Where do you begin?
Tia and Tamera Mowry's cousin Jerome is so close to the sisters on Tia & Tamera that they call him the third twin!
Sweetie Hughes has been fired, rehired, and finally quit as Kim Zolciak's assistant on Real Housewives of Atlanta.
How do you solve a problem like Kim D? She's the queen of the troublemakers on Real Housewives of New Jersey.
"Stacie the Bartender" went from the gal breaking up Heidi and Spencer to Kristin's best pal on The Hills. She's also the sister of Jessica Hall, Kendra' BFF!
Every time Snooki's best friend Ryder came to visit the house on Jersey Shore she stirred up trouble. She also hooked up with Vinny in between seasons, breaking little Snookers' heart.
Dwight Eubanks was such a fun friend on Real Housewives of Atlanta that he even got his own catchphrase: "How dreadful."