Every celebrity couple is bound to work together at some point in their relationship—even if the marriage doesn’t last. Here are 11 famous people who guest starred on their famous spouses’ TV series.

1. Brad Pitt // Friends

Pitt, the biggest A-lister of the bunch, guest starred on Friends, on which then-wife Jennifer Aniston was a cast member, playing the uncredited role of Will Colbert in the 2001 Thanksgiving episode, “The One with the Rumor.” Although it was ratings gold and nominated for three Primetime Emmy Awards (including one for Outstanding Guest Actor in a Comedy Series for Pitt), the episode was heavily criticized for both Pitt’s comedic acting as well as its offensive stance on intersex individuals.

2. Demi Moore // Moonlighting

Before becoming a prominent A-lister himself, Bruce Willis starred as Detective David Addison on the comedy/drama/mystery Moonlighting from 1985 to 1989. Demi Moore, known for her starring role in the classic 1985 film St. Elmo’s Fire, married Willis in 1987 and then guest starred as the non-speaking “Woman in Elevator” on the episode “When Girls Collide” in 1989.

3. Amy Poehler // Arrested Development

Although Amy Poehler and actor Will Arnett divorced in 2014 after being 11 years of marriage, she appeared on his cult-classic sitcom Arrested Development, playing his wife, “Bride of Gob,” for five episodes in 2004 and 2005.

4. Will Arnett // Parks and Recreation

Subsequently, Arnett returned the favor by guest starring in Poehler’s sitcom Parks and Recreation as an MRI technologist named Chris who goes on a disastrous date with Leslie in the 2010 episode “The Set Up.”

5. Megan Mullally // Parks & Recreation

Let’s keep the Parks and Rec party going. Megan Mullally, probably best known to many for her longtime role as Karen Walker on Will & Grace, had a nine-episode recurring role from 2009 to 2015 on husband Nick Offerman’s aforementioned series. She starred as Tammy Two, who is not only Ron Swanson’s (Offerman) second ex-wife, but also his second ex-wife named Tammy.

6. Christina Hendricks // Body of Proof

Still ofChristine Hendricks (times two) and Geoffrey Arend in Body of Proof // Image: ABC

You might’ve forgotten that Christina Hendricks, aka Joan Holloway from Mad Men, is married to actor Geoffrey Arend, who starred on the medical drama Body of Proof. Hendricks played a pair of identical twin sisters named Jessica and Karen Archer the 2011 episode “Dead Man Walking.” Clips are scarce, but the full episode is available (paid) on YouTube and Amazon Prime.

7. Nancy Carell // The Office

Sometimes billed as Nancy Walls, Nancy Carell guest starred on seven episodes of the U.S. version of The Office. From 2005 to 2013, she played Carol Stills, a real estate agent and former girlfriend of real-life husband Steve Carell’s character Michael Scott.

8. Ahmad Rashad // The Cosby Show

Former football star and present sportscaster Ahmad Rashad has only a handful of acting credits to his name, and three of them are vocal work. In 1988, 1990, and 1991, Ahmad lent his voice to three episodes of then-wife Phylicia Rashad’s The Cosby Show, first as a quiz show announcer (beginning at the 4:05 mark in the video above), then as a rodeo announcer, and finally as, um, an announcer.

9. Camille Grammer // Frasier

Camille Grammer may be currently known for starring in the guilty-pleasure reality show The Real Housewives of Beverly Hills. But in October of 1997, in the just two months after marrying actor Kelsey Grammer, she guest starred on her now ex-husband’s sitcom Frasier as a woman named Eve the episode “Halloween.” (She asks Roz who she's dressed as at the beginning of this clip, and at the 1:20 mark, is the "literary figure [Frasier] would like to know better."

10. Robin Dearden // Breaking Bad

Still of Robin Dearden in Breaking Bad, "No Mas." // Image: AMC

Robin Dearden has more than 40 film and TV acting credits, which include three different roles on Murder, She Wrote and a small guest spot as "Emotional Woman" in Breaking Bad’s season three episode “No Más,” which her husband Cranston directed. The couple’s then-teenaged daughter, Taylor Dearden, played "Sad Face Girl" in the same episode.

11. Hal Holbrook // Designing Women

Hal Holbrook has a film and TV career that spans more than 50 years (and at 90 years old, he’s still acting today). In the late 1980s, he guest starred on eight episodes of wife Dixie Carter’s sitcom Designing Women, playing the husband of Carter’s character Julia Sugarbaker. Holbrook and Carter were married until her death in 2010.