They open their front doors and let us right in. Here are some famous, and some infamous, reality show families.

Credit: History

"Pawn Stars" on History follows the dealings of Las Vegas' family-owned Gold & Silver Pawn Shop, run by Rick Harrison (second from right), his father, Richard, aka "The Old Man" (seated) and son Corey (right), along with endlessly-entertaining employee Austin "Chumlee" Russell (left).

"Wahlburgers"

Credit: A&E

Mark and Donnie Wahlberg watch older brother Paul, mom Alma and their old entourage run the family burger spot in their Boston neighborhood on A&E's "Wahlburgers."

"The Little Couple"

Credit: TLC

TLC's "The Little Couple" began in 2009 when Bill Klein and Jen Arnold were newlyweds. The two, both under four feet tall, added an adopted son, William to the family in March of 2013. More recently, they adopted a girl, Zoey, who also has dwarfism.

"Sister Wives"

Credit: TLC

Kody Brown, his four wives (from left), Robyn, Christine, Meri and Janelle and their 17 children started letting cameras follow them around in 2010 for TLC's "Sister Wives."

"Cake Boss"

Credit: AP

Buddy Valastro is TLC's "Cake Boss." The show follows him and his Italian-American family as they operate their bakery in Hoboken, N.J.

Credit: ReelzChannel

Michael (aka The Angry Ginger), Mema, Big John and Dee-Dee from "Hollywood Hillbillies." The show is scheduled to premiere on ReelzChannel in January.

Credit: A&E

Based in Monroe, La., the Robertson family -- from left, Si, Kay, Jase, Korie, Willie Robertson and Phil -- oversee a duck call business in A&E's popular "Duck Dynasty."

Credit: Lifetime

"The Houstons"
Bobbi Kristina Houston, Nick Gordon, Rayah Houston, Pat Houston, Gary Houston and Cissy Houston star in the Lifetime series, "The Houstons: On Our Own," which looks at the Houstons' life after Whitney.

Credit: AP

"Here Comes Honey Boo Boo"
Promoting them as a redneck family -- TLC's website claims "you betta redneckognize" -- the 2012 show follows 7-year-old pageant queen Honey Boo Boo (AKA Alana Thompson) and her mom June, dad Sugar Bear and sisters Pumpkin, Chubbs and Chickadee.

"19 Kids and Counting?

Credit: AP

Changing its name whenever a child was added, "19 Kids and Counting? followed the Duggar family and it's named J-named children. TLC canceled the show in 2015 following allegations that eldest son, Josh, molested girls when he was younger.

Credit: AP

"Growing up Twisted”
Dee Snider made it no secret he hoped his family's reality show gig would jump start his children's show biz careers. Unfortunately, no stars were born, and after just seven dull episodes, viewers said “We're Not Gonna Take It,” and the show was canceled.

Tori Spelling and Dean McDermott

Credit: Getty Images / Alberto E. Rodriguez

Tori Spelling and Dean McDermott -- and their expanding family -- were documented on ?Tori & Dean: Home Sweet Hollywood? (initially, ?Tori & Dean: Inn Love?) on Oxygen from 2007 to 2012. They resurfaced in on LIfetime?s ?True Tori? in 2014.

Credit: Getty Images

"House of Carters”
This short-lived E! reality show followed Backstreet Boy Nick Carter as he lived with his brother Aaron and three sisters, Bobbie Jean, Leslie and Angel. The show centered around the siblings tried to cope with their dysfunctional parents, but in the end they couldn't solve their all their family problems, as the show ended after just eight episodes. Leslie Carter later died in February 2012 of an overdose at the age of 25.

"Living Lohan"

Credit: AP

Despite the tease of that famous surname, "Living Lohan" centered largely on "mom-ager" Dina and her attempts to kick-start daughter Ali's music career. The 2008 E! show lasted but nine episodes.

Credit: AP

"Braxton Family Values"
You knew Toni Braxton (foreground), and her WE tv show has introduced sisters Traci (from left), Towanda, Trina and Tamar. In its second season.

Credit: AP

"Jon and Kate Plus 8"
"Eight is Enough" is so '70s. In 2007 we wanted -- or, at least, we got -- the reality world's take on a couple raising eight children. Jon and Kate Gosselin didn't make it in the long run, though after their separation TLC kept "Kate Plus 8" on for two seasons.

"Joan Knows Best?"

Credit: AP

The mother-daughter duo of Joan and Melissa Rivers have appeared on TV together for decades, and the grand tradition continued with the 2011 premiere of "Joan Knows Best?" It ran from 2011-2014.

Credit: AP

"Keeping Up with the Kardashians"
Since their show's 2007 premiere, the Kardashians have become a cottage industry. The success of the original E! series has led to four spin-offs (so far): "Kourtney and Khloé Take Miami," "Kourtney and Kim Take New York," "Khloé & Lamar" and "Kourtney and Kim Take Miami."

Credit: AP

"Gene Simmons Family Jewels"
Kiss lead singer Gene Simmons is a family man, too, and it's all chronicled in the A&E reality show he shares with wife Shannon and kids Nick and Sophie. In its seventh, and final, season, Gene and now-wife adjust to married life.

Credit: AP

"Run's House"
Reverend Run, one of the founding members of the rap group Run-D.M.C., invited viewers into his home from 2005 to 2009 to watch him and wife Justine raise their five kids.

Credit: AP, 2005

"Hogan Knows Best"
Professional wrestler Hulk Hogan (aka Terry Bollea) and then-wife Linda, along with kids Brooke and Nick, served it large and loud on VH1 beginning in 2005 with "Hogan Knows Best." The family moved to Miami and attempted to turn Brooke into a singer, before Terry and Linda split. The spinoff, "Brooke Knows Best," premiered in 2008 and lasted two seasons, with occasional parental appearances.

Credit: AP, 2001

"Being Bobby Brown"
Though they wed in 1992, Bobby Brown and Whitney Houston made the world wait until 2005's "Being Bobby Brown," on Bravo, to get a glimpse at their sometimes tender, often combustible relationship. (Show takeaway: Houston's favorite phrase, "Hell to the no.") The had just one season, as Houston filed for divorce the next year.

Credit: Getty Images

One of the pioneering celebrity-family reality shows, "The Osbournes" ran from 2002 to 2005 on MTV. Sharon and Ozzy parented, Jack and Kelly knocked about their mansion, and daughter Aimee opted out.

Credit: Associated Press

"Mrs. Eastwood and Company"
Centering primarily around Dina Eastwood's daily life as the wife of Clint, the show, which E! premiered May 20, 2012, also features her daughters Morgan and Francesca.

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